#334E81#334E81

#334E81 is a dark, moderate blue. Relative luminance 0.077; OKLCH L 42.8% C 0.091 H 262.1°. Best body text is #FFFFFF at 8.24:1 contrast (WCAG AA passes).

Color values

HEX	#334E81
RGB	rgb(51, 78, 129)
HSL	hsl(219, 43%, 35%)
HSV	hsv(219, 60%, 51%)
CMYK	cmyk(60.5%, 39.5%, 0%, 49.4%)
CIE-LAB	lab(33.43, 6.53, -31.84)
CIE-LCH	lch(33.43, 32.50, 281.59°)
OKLab	oklab(42.82% -0.0125 -0.0903)
OKLCH	oklch(42.82% 0.091 262.1)
XYZ	xyz(8.0507, 7.7369, 21.8337)
Luminance	0.0774 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#334E81 #816633

analogous

#337581 #334E81 #3F3381

triadic

#334E81 #81334E #4E8133

tetradic

#334E81 #813375 #816633 #33813F

square

#334E81 #813375 #816633 #33813F

split-complementary

#334E81 #813F33 #758133

monochromatic

#101929 #223355 #334E81 #4469AD #6A89C4

Accessibility & contrast

On white

8.24

#334E81 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.55

#334E81 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #334E81

8.24:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##334E81	#FFFFFF	#000000	##FFFFFF
##334E81	1.00	8.24	2.55	8.24
#FFFFFF	8.24	1.00	21.00	1.00
#000000	2.55	21.00	1.00	21.00
##FFFFFF	8.24	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#395383

Deuteranopia (green-blind)

#2E4B80

Tritanopia (blue-blind)

#005961

Achromatopsia (no color)

#4F4F4F

Design tokens & code

CSS

--color: #334e81;
/* rgb */ color: rgb(51, 78, 129);
/* oklch */ color: oklch(42.8% 0.091 262.1);

Tailwind

colors: {
  custom: {
    50: '#727fa6',
    500: '#334e81',
    950: '#000000',
  },
}

SCSS

$custom: #334e81;
$custom-light: #727fa6;
$custom-dark: #000000;

JSON

{
  "hex": "#334e81",
  "rgb": {
    "r": 51,
    "g": 78,
    "b": 129
  },
  "hsl": {
    "h": 219.231,
    "s": 43.333,
    "l": 35.294
  },
  "oklch": {
    "l": 0.42816,
    "c": 0.09116,
    "h": 262.1
  },
  "luminance": 0.07738
}

Semantic roles & 50–950 ramp

primary

#334E81

secondary

#AC9364

accent

#A755D3

background

#F7F7FA

surface

#EDEEF4

border

#C8C9CE

text

#080A0F

muted

#7B7C7F

Preview Lab

Preview with #334E81

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

Preview Lab → · Contrast checker → · Palette generator →