#424BAD

Closest named color: Blueberry (#464196). oklch(46.2% 0.155 274.6), rgb(66, 75, 173).

Aa

White text reads best on this color (7.39:1).

About this color

#424BAD is a medium-dark, vivid blue. In OKLCH its lightness is 46%, its chroma 0.155 and its hue 275°. Its hue sits on the cool side of the wheel. The nearest named color is Blueberry (#464196), ΔE 0.043 away. White text reads best on it, at 7.39:1.

Hue familyBlues
Lightnessmedium-dark (46%)
Chromavivid (0.155)
Temperaturecool
Nearest nameBlueberry (#464196)
Black text2.84:1
White text7.39:1

Values

HEX#424BAD
RGBrgb(66, 75, 173)
HSLhsl(235, 45%, 47%)
OKLCHoklch(46.2% 0.155 274.6)

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 #424BAD 7.39:1 AAA Lc -90.2 Preferred for body text
Black text on #424BAD 2.84:1 Fails Lc 18.7 Dividers and decoration only
#424BAD text on white 7.39:1 AAA Lc 85.3 Fine for body text
#424BAD text on black 2.84:1 Fails Lc -16.7 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

    #F3F5FC

    oklch(97.1% 0.01 273.4)

  2. Step 100

    100

    #E5E9F9

    oklch(93.6% 0.022 274.7)

  3. Step 200

    200

    #D0D8F5

    oklch(88.5% 0.041 273.3)

  4. Step 300

    300

    #B2BEF2

    oklch(81% 0.075 274.5)

  5. Step 400

    400

    #8A9AEB

    oklch(70.7% 0.12 274.4)

  6. Step 500

    500

    #6F7FE5

    oklch(63.2% 0.153 274.5)

  7. Step 600

    600

    #5966D3

    oklch(55.7% 0.166 274.6)

  8. Step 700

    700 (this color)

    #424BAD

    oklch(46.2% 0.155 274.6)

  9. Step 800

    800

    #3C4594

    oklch(42.7% 0.129 274.7)

  10. Step 900

    900

    #333B76

    oklch(37.8% 0.1 274.8)

  11. Step 950

    950

    #1E2345

    oklch(27.1% 0.063 275.1)

Export this scale for Tailwind in the Tailwind colors tool

#424BAD 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)#005AB00.055
Deuteranopia (no green cones)#0051AB0.050
Tritanopia (no blue cones)#0062740.132
Achromatopsia (no color)#5656560.155

Harmonies

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

Complementary

The opposite hue (180°).

  • #424BAD

    #424BAD

    oklch(46.2% 0.155 274.6)

  • #6A5700

    #6A5700

    oklch(46.2% 0.095 94.2)

Open the complementary palette in the generator

Analogous

Neighbouring hues, 30° either side.

  • #424BAD

    #424BAD

    oklch(46.2% 0.155 274.6)

  • #005D94

    #005D94

    oklch(46.2% 0.116 244.7)

  • #6D3B9D

    #6D3B9D

    oklch(46.3% 0.155 304.5)

Open the analogous palette in the generator

Split complementary

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

  • #424BAD

    #424BAD

    oklch(46.2% 0.155 274.6)

  • #804A00

    #804A00

    oklch(46.3% 0.104 64.4)

  • #4A6300

    #4A6300

    oklch(46.2% 0.116 124.9)

Open the split complementary palette in the generator

Triadic

Three hues spaced 120° apart.

  • #424BAD

    #424BAD

    oklch(46.2% 0.155 274.6)

  • #9C2A0C

    #9C2A0C

    oklch(46.1% 0.155 34.5)

  • #006B3A

    #006B3A

    oklch(46.3% 0.116 154.5)

Open the triadic palette in the generator

Square

Four hues spaced 90° apart.

  • #424BAD

    #424BAD

    oklch(46.2% 0.155 274.6)

  • #99244E

    #99244E

    oklch(46.1% 0.155 4.2)

  • #6A5700

    #6A5700

    oklch(46.2% 0.095 94.2)

  • #00675E

    #00675E

    oklch(46.2% 0.082 184.5)

Open the square palette in the generator

Palettes with this color

Curated palettes that contain a color within ΔE 0.04 (OKLab) of #424BAD, closest first.

Similar named colors

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

Use #424BAD 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.