#334381#334381

#334381 is a dark, moderate blue. Relative luminance 0.063; OKLCH L 40.3% C 0.106 H 270.2°. Best body text is #FFFFFF at 9.29:1 contrast (WCAG AA passes).

Color values

HEX	#334381
RGB	rgb(51, 67, 129)
HSL	hsl(228, 43%, 35%)
HSV	hsv(228, 60%, 51%)
CMYK	cmyk(60.5%, 48.1%, 0%, 49.4%)
CIE-LAB	lab(30.16, 13.88, -37.04)
CIE-LCH	lch(30.16, 39.56, 290.54°)
OKLab	oklab(40.31% 0.0004 -0.1057)
OKLCH	oklch(40.31% 0.106 270.2)
XYZ	xyz(7.3335, 6.3025, 21.5947)
Luminance	0.0630 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#334381 #817133

analogous

#336A81 #334381 #4A3381

triadic

#334381 #813343 #438133

tetradic

#334381 #81336A #817133 #33814A

square

#334381 #81336A #817133 #33814A

split-complementary

#334381 #814A33 #6A8133

monochromatic

#101529 #222C55 #334381 #445AAD #6A7DC4

Accessibility & contrast

On white

9.29

#334381 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.26

#334381 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #334381

9.29:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##334381	#FFFFFF	#000000	##FFFFFF
##334381	1.00	9.29	2.26	9.29
#FFFFFF	9.29	1.00	21.00	1.00
#000000	2.26	21.00	1.00	21.00
##FFFFFF	9.29	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#264B83

Deuteranopia (green-blind)

#1A4480

Tritanopia (blue-blind)

#00515B

Achromatopsia (no color)

#474747

Design tokens & code

CSS

--color: #334381;
/* rgb */ color: rgb(51, 67, 129);
/* oklch */ color: oklch(40.3% 0.106 270.2);

Tailwind

colors: {
  custom: {
    50: '#7276a6',
    500: '#334381',
    950: '#000000',
  },
}

SCSS

$custom: #334381;
$custom-light: #7276a6;
$custom-dark: #000000;

JSON

{
  "hex": "#334381",
  "rgb": {
    "r": 51,
    "g": 67,
    "b": 129
  },
  "hsl": {
    "h": 227.692,
    "s": 43.333,
    "l": 35.294
  },
  "oklch": {
    "l": 0.40305,
    "c": 0.10569,
    "h": 270.2
  },
  "luminance": 0.06303
}

Semantic roles & 50–950 ramp

primary

#334381

secondary

#AC9D64

accent

#B955D3

background

#F7F7FA

surface

#EDEDF4

border

#C8C8CE

text

#08080F

muted

#7B7B7F

Preview Lab

Preview with #334381

Body copy rendered with the generated semantic roles for this colour.

Preview Lab → · Contrast checker → · Palette generator →