#374F83#374F83

#374F83 is a dark, moderate blue. Relative luminance 0.080; OKLCH L 43.4% C 0.091 H 264.2°. Best body text is #FFFFFF at 8.05:1 contrast (WCAG AA passes).

Color values

HEX	#374F83
RGB	rgb(55, 79, 131)
HSL	hsl(221, 41%, 36%)
HSV	hsv(221, 58%, 51%)
CMYK	cmyk(58%, 39.7%, 0%, 48.6%)
CIE-LAB	lab(34.07, 7.48, -32.04)
CIE-LCH	lch(34.07, 32.91, 283.15°)
OKLab	oklab(43.41% -0.0092 -0.0908)
OKLCH	oklch(43.41% 0.091 264.2)
XYZ	xyz(8.4669, 8.0422, 22.5745)
Luminance	0.0804 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#374F83 #836B37

analogous

#377583 #374F83 #453783

triadic

#374F83 #83374F #4F8337

tetradic

#374F83 #833775 #836B37 #378345

square

#374F83 #833775 #836B37 #378345

split-complementary

#374F83 #834537 #758337

monochromatic

#131B2D #253558 #374F83 #4969AE #718BC3

Accessibility & contrast

On white

8.05

#374F83 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.61

#374F83 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #374F83

8.05:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##374F83	#FFFFFF	#000000	##FFFFFF
##374F83	1.00	8.05	2.61	8.05
#FFFFFF	8.05	1.00	21.00	1.00
#000000	2.61	21.00	1.00	21.00
##FFFFFF	8.05	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#3A5485

Deuteranopia (green-blind)

#304D82

Tritanopia (blue-blind)

#055A62

Achromatopsia (no color)

#505050

Design tokens & code

CSS

--color: #374f83;
/* rgb */ color: rgb(55, 79, 131);
/* oklch */ color: oklch(43.4% 0.091 264.2);

Tailwind

colors: {
  custom: {
    50: '#7480a7',
    500: '#374f83',
    950: '#000000',
  },
}

SCSS

$custom: #374f83;
$custom-light: #7480a7;
$custom-dark: #000000;

JSON

{
  "hex": "#374f83",
  "rgb": {
    "r": 55,
    "g": 79,
    "b": 131
  },
  "hsl": {
    "h": 221.053,
    "s": 40.86,
    "l": 36.471
  },
  "oklch": {
    "l": 0.43411,
    "c": 0.09127,
    "h": 264.2
  },
  "luminance": 0.08043
}

Semantic roles & 50–950 ramp

primary

#374F83

secondary

#AC976A

accent

#AA57D1

background

#F7F7FA

surface

#EDEEF4

border

#C8C9CE

text

#090A0F

muted

#7B7C7F

Preview Lab

Preview with #374F83

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

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