#334EC5

Closest named color: Blue Blue (#2242C7). oklch(47.9% 0.188 268.4), rgb(51, 78, 197).

Aa

White text reads best on this color (6.91:1).

About this color

#334EC5 is a medium-dark, vivid blue. In OKLCH its lightness is 48%, its chroma 0.188 and its hue 268°. Its hue sits on the cool side of the wheel. The nearest named color is Blue Blue (#2242C7), ΔE 0.035 away. White text reads best on it, at 6.91:1.

Hue familyBlues
Lightnessmedium-dark (48%)
Chromavivid (0.188)
Temperaturecool
Nearest nameBlue Blue (#2242C7)
Black text3.03:1
White text6.91:1

Values

HEX#334EC5
RGBrgb(51, 78, 197)
HSLhsl(229, 59%, 49%)
OKLCHoklch(47.9% 0.188 268.4)

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 #334EC5 6.91:1 AA Lc -88.3 Fine for body text
Black text on #334EC5 3.03:1 AA large text Lc 20.7 Dividers and decoration only
#334EC5 text on white 6.91:1 AA Lc 83.3 Fine for body text
#334EC5 text on black 3.03:1 AA large text Lc -18.6 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

    #F2F5FE

    oklch(97% 0.012 271.3)

  2. Step 100

    100

    #E2EAFC

    oklch(93.6% 0.026 266.6)

  3. Step 200

    200

    #CBD9FC

    oklch(88.6% 0.051 268.1)

  4. Step 300

    300

    #A8BFFC

    oklch(80.9% 0.09 268.4)

  5. Step 400

    400

    #7B9BFB

    oklch(70.7% 0.145 268.6)

  6. Step 500

    500

    #5B7EF8

    oklch(63% 0.186 268.6)

  7. Step 600

    600

    #4364E7

    oklch(55.6% 0.202 268.3)

  8. Step 700

    700 (this color)

    #334EC5

    oklch(47.9% 0.188 268.4)

  9. Step 800

    800

    #2C44A2

    oklch(42.7% 0.155 268.2)

  10. Step 900

    900

    #273A81

    oklch(37.6% 0.122 268.6)

  11. Step 950

    950

    #17234B

    oklch(27% 0.076 268.4)

Export this scale for Tailwind in the Tailwind colors tool

#334EC5 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)#0061C90.048
Deuteranopia (no green cones)#0053C30.030
Tritanopia (no blue cones)#006C820.148
Achromatopsia (no color)#5A5A5A0.188

Harmonies

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

Complementary

The opposite hue (180°).

  • #334EC5

    #334EC5

    oklch(47.9% 0.188 268.4)

  • #745900

    #745900

    oklch(47.8% 0.098 88.1)

Open the complementary palette in the generator

Analogous

Neighbouring hues, 30° either side.

  • #334EC5

    #334EC5

    oklch(47.9% 0.188 268.4)

  • #006492

    #006492

    oklch(47.8% 0.107 238.5)

  • #6E39B6

    #6E39B6

    oklch(48% 0.187 298.5)

Open the analogous palette in the generator

Split complementary

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

  • #334EC5

    #334EC5

    oklch(47.9% 0.188 268.4)

  • #8B4A00

    #8B4A00

    oklch(47.9% 0.114 58.6)

  • #586500

    #586500

    oklch(47.9% 0.112 118.1)

Open the split complementary palette in the generator

Triadic

Three hues spaced 120° apart.

  • #334EC5

    #334EC5

    oklch(47.9% 0.188 268.4)

  • #AF1110

    #AF1110

    oklch(48% 0.188 28.4)

  • #00712C

    #00712C

    oklch(47.9% 0.137 148.5)

Open the triadic palette in the generator

Square

Four hues spaced 90° apart.

  • #334EC5

    #334EC5

    oklch(47.9% 0.188 268.4)

  • #A80E5C

    #A80E5C

    oklch(48% 0.188 358.5)

  • #745900

    #745900

    oklch(47.8% 0.098 88.1)

  • #006D5E

    #006D5E

    oklch(47.9% 0.088 178.9)

Open the square palette in the generator

Palettes with this color

Curated palettes that contain a color within ΔE 0.04 (OKLab) of #334EC5, closest first.

Similar named colors

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

Use #334EC5 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.