#374E83#374E83

#374E83 is a dark, moderate blue. Relative luminance 0.079; OKLCH L 43.2% C 0.093 H 265.1°. Best body text is #FFFFFF at 8.14:1 contrast (WCAG AA passes).

Color values

HEX	#374E83
RGB	rgb(55, 78, 131)
HSL	hsl(222, 41%, 36%)
HSV	hsv(222, 58%, 51%)
CMYK	cmyk(58%, 40.5%, 0%, 48.6%)
CIE-LAB	lab(33.77, 8.14, -32.52)
CIE-LCH	lch(33.77, 33.52, 284.06°)
OKLab	oklab(43.18% -0.008 -0.0922)
OKLCH	oklch(43.18% 0.093 265.1)
XYZ	xyz(8.3953, 7.8990, 22.5506)
Luminance	0.0790 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#374E83 #836C37

analogous

#377483 #374E83 #463783

triadic

#374E83 #83374E #4E8337

tetradic

#374E83 #833774 #836C37 #378346

square

#374E83 #833774 #836C37 #378346

split-complementary

#374E83 #834637 #748337

monochromatic

#131B2D #253458 #374E83 #4968AE #718AC3

Accessibility & contrast

On white

8.14

#374E83 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.58

#374E83 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #374E83

8.14:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##374E83	#FFFFFF	#000000	##FFFFFF
##374E83	1.00	8.14	2.58	8.14
#FFFFFF	8.14	1.00	21.00	1.00
#000000	2.58	21.00	1.00	21.00
##FFFFFF	8.14	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#385385

Deuteranopia (green-blind)

#2E4C82

Tritanopia (blue-blind)

#055A62

Achromatopsia (no color)

#4F4F4F

Design tokens & code

CSS

--color: #374e83;
/* rgb */ color: rgb(55, 78, 131);
/* oklch */ color: oklch(43.2% 0.093 265.1);

Tailwind

colors: {
  custom: {
    50: '#747fa7',
    500: '#374e83',
    950: '#000000',
  },
}

SCSS

$custom: #374e83;
$custom-light: #747fa7;
$custom-dark: #000000;

JSON

{
  "hex": "#374e83",
  "rgb": {
    "r": 55,
    "g": 78,
    "b": 131
  },
  "hsl": {
    "h": 221.842,
    "s": 40.86,
    "l": 36.471
  },
  "oklch": {
    "l": 0.4318,
    "c": 0.09254,
    "h": 265.1
  },
  "luminance": 0.079
}

Semantic roles & 50–950 ramp

primary

#374E83

secondary

#AC986A

accent

#AC57D1

background

#F7F7FA

surface

#EDEEF4

border

#C8C9CE

text

#090A0F

muted

#7B7C7F

Preview Lab

Preview with #374E83

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

Preview Lab → · Contrast checker → · Palette generator →