#333D79#333D79

#333D79 is a dark, moderate blue. Relative luminance 0.054; OKLCH L 38.4% C 0.102 H 273.5°. Best body text is #FFFFFF at 10.07:1 contrast (WCAG AA passes).

Color values

HEX	#333D79
RGB	rgb(51, 61, 121)
HSL	hsl(231, 41%, 34%)
HSV	hsv(231, 58%, 47%)
CMYK	cmyk(57.9%, 49.6%, 0%, 52.5%)
CIE-LAB	lab(27.90, 15.07, -35.65)
CIE-LCH	lch(27.90, 38.71, 292.91°)
OKLab	oklab(38.42% 0.0063 -0.1017)
OKLCH	oklch(38.42% 0.102 273.5)
XYZ	xyz(6.4841, 5.4213, 18.7902)
Luminance	0.0542 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#333D79 #796F33

analogous

#336079 #333D79 #4C3379

triadic

#333D79 #79333D #3D7933

tetradic

#333D79 #793360 #796F33 #33794C

square

#333D79 #793360 #796F33 #33794C

split-complementary

#333D79 #794C33 #607933

monochromatic

#0F1223 #21274E #333D79 #4553A4 #6774BF

Accessibility & contrast

On white

10.07

#333D79 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.08

#333D79 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #333D79

10.07:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##333D79	#FFFFFF	#000000	##FFFFFF
##333D79	1.00	10.07	2.08	10.07
#FFFFFF	10.07	1.00	21.00	1.00
#000000	2.08	21.00	1.00	21.00
##FFFFFF	10.07	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#21457B

Deuteranopia (green-blind)

#173F78

Tritanopia (blue-blind)

#0C4A55

Achromatopsia (no color)

#424242

Design tokens & code

CSS

--color: #333d79;
/* rgb */ color: rgb(51, 61, 121);
/* oklch */ color: oklch(38.4% 0.102 273.5);

Tailwind

colors: {
  custom: {
    50: '#7172a0',
    500: '#333d79',
    950: '#000000',
  },
}

SCSS

$custom: #333d79;
$custom-light: #7172a0;
$custom-dark: #000000;

JSON

{
  "hex": "#333d79",
  "rgb": {
    "r": 51,
    "g": 61,
    "b": 121
  },
  "hsl": {
    "h": 231.429,
    "s": 40.698,
    "l": 33.725
  },
  "oklch": {
    "l": 0.38416,
    "c": 0.10187,
    "h": 273.5
  },
  "luminance": 0.05422
}

Semantic roles & 50–950 ramp

primary

#333D79

secondary

#A79D61

accent

#BF57D1

background

#F7F6F9

surface

#EDECF2

border

#C8C7CC

text

#08070F

muted

#7B7A7E

Preview Lab

Preview with #333D79

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

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