#374181#374181

#374181 is a dark, moderate blue. Relative luminance 0.062; OKLCH L 40.1% C 0.107 H 273.9°. Best body text is #FFFFFF at 9.39:1 contrast (WCAG AA passes).

Color values

HEX	#374181
RGB	rgb(55, 65, 129)
HSL	hsl(232, 40%, 36%)
HSV	hsv(232, 57%, 51%)
CMYK	cmyk(57.4%, 49.6%, 0%, 49.4%)
CIE-LAB	lab(29.86, 16.11, -37.52)
CIE-LCH	lch(29.86, 40.83, 293.23°)
OKLab	oklab(40.14% 0.0073 -0.107)
OKLCH	oklch(40.14% 0.107 273.9)
XYZ	xyz(7.4270, 6.1773, 21.5656)
Luminance	0.0618 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#374181 #817737

analogous

#376681 #374181 #523781

triadic

#374181 #813741 #418137

tetradic

#374181 #813766 #817737 #378152

square

#374181 #813766 #817737 #378152

split-complementary

#374181 #815237 #668137

monochromatic

#12162B #252B56 #374181 #4957AC #707BC2

Accessibility & contrast

On white

9.39

#374181 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.24

#374181 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #374181

9.39:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##374181	#FFFFFF	#000000	##FFFFFF
##374181	1.00	9.39	2.24	9.39
#FFFFFF	9.39	1.00	21.00	1.00
#000000	2.24	21.00	1.00	21.00
##FFFFFF	9.39	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#234A83

Deuteranopia (green-blind)

#194380

Tritanopia (blue-blind)

#0F4F5B

Achromatopsia (no color)

#464646

Design tokens & code

CSS

--color: #374181;
/* rgb */ color: rgb(55, 65, 129);
/* oklch */ color: oklch(40.1% 0.107 273.9);

Tailwind

colors: {
  custom: {
    50: '#7475a6',
    500: '#374181',
    950: '#000000',
  },
}

SCSS

$custom: #374181;
$custom-light: #7475a6;
$custom-dark: #000000;

JSON

{
  "hex": "#374181",
  "rgb": {
    "r": 55,
    "g": 65,
    "b": 129
  },
  "hsl": {
    "h": 231.892,
    "s": 40.217,
    "l": 36.078
  },
  "oklch": {
    "l": 0.40141,
    "c": 0.10727,
    "h": 273.9
  },
  "luminance": 0.06178
}

Semantic roles & 50–950 ramp

primary

#374181

secondary

#ABA269

accent

#C058D0

background

#F7F7FA

surface

#EDEDF4

border

#C8C8CE

text

#09080F

muted

#7B7B7F

Preview Lab

Preview with #374181

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

Preview Lab → · Contrast checker → · Palette generator →