#422DF8

Closest named color: Light Royal Blue (#3A2EFE). oklch(49.1% 0.276 273.9), rgb(66, 45, 248).

Aa

White text reads best on this color (7.08:1).

About this color

#422DF8 is a medium-dark, vivid blue. In OKLCH its lightness is 49%, its chroma 0.276 and its hue 274°. Its hue sits on the cool side of the wheel. The nearest named color is Light Royal Blue (#3A2EFE), ΔE 0.014 away. White text reads best on it, at 7.08:1.

Hue familyBlues
Lightnessmedium-dark (49%)
Chromavivid (0.276)
Temperaturecool
Nearest nameLight Royal Blue (#3A2EFE)
Black text2.96:1
White text7.08:1

Values

HEX#422DF8
RGBrgb(66, 45, 248)
HSLhsl(246, 94%, 57%)
OKLCHoklch(49.1% 0.276 273.9)

Contrast

WCAG 2 contrast ratios are the conformance target: AA needs 4.5:1 for body text and 3:1 for large text, AAA needs 7:1. APCA Lc values are supplementary guidance from the WCAG 3 drafts.

PairWCAG 2ResultAPCAAPCA guidance
White text on #422DF8 7.08:1 AAA Lc -88.0 Fine for body text
Black text on #422DF8 2.96:1 Fails Lc 21.1 Dividers and decoration only
#422DF8 text on white 7.08:1 AAA Lc 83.0 Fine for body text
#422DF8 text on black 2.96:1 Fails Lc -19.0 Dividers and decoration only

Tints and shades

A 50–950 scale built in OKLCH: the hue is held, lightness follows a Tailwind v4-like curve, and every step is kept inside the sRGB gamut. This color sits at step 700.

  1. Step 50

    50

    #F2F5FF

    oklch(97.1% 0.014 272.7)

  2. Step 100

    100

    #E3E9FF

    oklch(93.6% 0.03 273.6)

  3. Step 200

    200

    #CDD7FF

    oklch(88.4% 0.056 274.2)

  4. Step 300

    300

    #ADBCFF

    oklch(80.8% 0.096 274.3)

  5. Step 400

    400

    #8497FF

    oklch(70.7% 0.153 274)

  6. Step 500

    500

    #6878FF

    oklch(63.1% 0.199 274.1)

  7. Step 600

    600

    #5054FF

    oklch(55.6% 0.246 273.9)

  8. Step 700

    700 (this color)

    #422DF8

    oklch(49.1% 0.276 273.9)

  9. Step 800

    800

    #352AC8

    oklch(42.7% 0.228 273.9)

  10. Step 900

    900

    #2C2B9D

    oklch(37.7% 0.178 274.2)

  11. Step 950

    950

    #181B5C

    oklch(26.9% 0.114 273.8)

Export this scale for Tailwind in the Tailwind colors tool

#422DF8 with color blindness

Simulated with the Machado et al. (2009) model. ΔE is how far the color moves: below about 0.02 you would not notice a change.

VisionSeen asShift (ΔE)
Protanopia (no red cones)#0061FD0.089
Deuteranopia (no green cones)#004FF50.060
Tritanopia (no blue cones)#006F960.212
Achromatopsia (no color)#5858580.278

Harmonies

Hue rotations in OKLCH that keep this color's lightness and chroma.

Complementary

The opposite hue (180°).

  • #422DF8

    #422DF8

    oklch(49.1% 0.276 273.9)

  • #745F00

    #745F00

    oklch(49.2% 0.101 93.8)

Open the complementary palette in the generator

Analogous

Neighbouring hues, 30° either side.

  • #422DF8

    #422DF8

    oklch(49.1% 0.276 273.9)

  • #0066A0

    #0066A0

    oklch(49.2% 0.121 244)

  • #8300D2

    #8300D2

    oklch(49.1% 0.256 304.1)

Open the analogous palette in the generator

Split complementary

The two hues beside the complement (150° and 210°).

  • #422DF8

    #422DF8

    oklch(49.1% 0.276 273.9)

  • #8B5100

    #8B5100

    oklch(49.2% 0.111 64.6)

  • #536B00

    #536B00

    oklch(49% 0.121 123.6)

Open the split complementary palette in the generator

Triadic

Three hues spaced 120° apart.

  • #422DF8

    #422DF8

    oklch(49.1% 0.276 273.9)

  • #AE2600

    #AE2600

    oklch(49% 0.177 33.9)

  • #00743E

    #00743E

    oklch(49% 0.124 153.9)

Open the triadic palette in the generator

Square

Four hues spaced 90° apart.

  • #422DF8

    #422DF8

    oklch(49.1% 0.276 273.9)

  • #B20054

    #B20054

    oklch(49.2% 0.198 3.9)

  • #745F00

    #745F00

    oklch(49.2% 0.101 93.8)

  • #007066

    #007066

    oklch(49% 0.087 184.2)

Open the square palette in the generator

Palettes with this color

Curated palettes that contain a color within ΔE 0.04 (OKLab) of #422DF8, closest first.

No curated palette has a color within ΔE 0.04 of #422DF8.

Similar named colors

The eight closest entries in our named color list, with their ΔE distance.

Use #422DF8 in your product

Turn it into light and dark UI roles checked for contrast, then export to Tailwind v4, shadcn/ui, CSS or design tokens.