#374F84#374F84

#374F84 is a dark, moderate blue. Relative luminance 0.081; OKLCH L 43.5% C 0.093 H 264.5°. Best body text is #FFFFFF at 8.03:1 contrast (WCAG AA passes).

Color values

HEX	#374F84
RGB	rgb(55, 79, 132)
HSL	hsl(221, 41%, 37%)
HSV	hsv(221, 58%, 52%)
CMYK	cmyk(58.3%, 40.2%, 0%, 48.2%)
CIE-LAB	lab(34.13, 7.84, -32.57)
CIE-LCH	lch(34.13, 33.50, 283.53°)
OKLab	oklab(43.47% -0.0089 -0.0923)
OKLCH	oklch(43.47% 0.093 264.5)
XYZ	xyz(8.5350, 8.0695, 22.9331)
Luminance	0.0807 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#374F84 #846C37

analogous

#377684 #374F84 #463784

triadic

#374F84 #84374F #4F8437

tetradic

#374F84 #843776 #846C37 #378446

square

#374F84 #843776 #846C37 #378446

split-complementary

#374F84 #844637 #768437

monochromatic

#131B2E #253559 #374F84 #4969AF #718BC4

Accessibility & contrast

On white

8.03

#374F84 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.61

#374F84 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #374F84

8.03:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##374F84	#FFFFFF	#000000	##FFFFFF
##374F84	1.00	8.03	2.61	8.03
#FFFFFF	8.03	1.00	21.00	1.00
#000000	2.61	21.00	1.00	21.00
##FFFFFF	8.03	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#395486

Deuteranopia (green-blind)

#2F4D83

Tritanopia (blue-blind)

#025B63

Achromatopsia (no color)

#505050

Design tokens & code

CSS

--color: #374f84;
/* rgb */ color: rgb(55, 79, 132);
/* oklch */ color: oklch(43.5% 0.093 264.5);

Tailwind

colors: {
  custom: {
    50: '#7480a8',
    500: '#374f84',
    950: '#000000',
  },
}

SCSS

$custom: #374f84;
$custom-light: #7480a8;
$custom-dark: #000000;

JSON

{
  "hex": "#374f84",
  "rgb": {
    "r": 55,
    "g": 79,
    "b": 132
  },
  "hsl": {
    "h": 221.299,
    "s": 41.176,
    "l": 36.667
  },
  "oklch": {
    "l": 0.43473,
    "c": 0.09278,
    "h": 264.5
  },
  "luminance": 0.0807
}

Semantic roles & 50–950 ramp

primary

#374F84

secondary

#AD986A

accent

#AB57D1

background

#F7F7FA

surface

#EDEEF4

border

#C8C9CE

text

#090A0F

muted

#7B7C7F

Preview Lab

Preview with #374F84

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

Preview Lab → · Contrast checker → · Palette generator →