#374B79#374B79

#374B79 is a dark, moderate blue. Relative luminance 0.072; OKLCH L 41.9% C 0.081 H 265.3°. Best body text is #FFFFFF at 8.59:1 contrast (WCAG AA passes).

Color values

HEX	#374B79
RGB	rgb(55, 75, 121)
HSL	hsl(222, 38%, 35%)
HSV	hsv(222, 55%, 47%)
CMYK	cmyk(54.5%, 38%, 0%, 52.5%)
CIE-LAB	lab(32.31, 6.61, -28.63)
CIE-LCH	lch(32.31, 29.38, 283.01°)
OKLab	oklab(41.87% -0.0067 -0.0809)
OKLCH	oklch(41.87% 0.081 265.3)
XYZ	xyz(7.5417, 7.2243, 19.0825)
Luminance	0.0722 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#374B79 #796537

analogous

#376C79 #374B79 #443779

triadic

#374B79 #79374B #4B7937

tetradic

#374B79 #79376C #796537 #377944

square

#374B79 #79376C #796537 #377944

split-complementary

#374B79 #794437 #6C7937

monochromatic

#111725 #24314F #374B79 #4A65A3 #6E86BD

Accessibility & contrast

On white

8.59

#374B79 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.44

#374B79 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #374B79

8.59:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##374B79	#FFFFFF	#000000	##FFFFFF
##374B79	1.00	8.59	2.44	8.59
#FFFFFF	8.59	1.00	21.00	1.00
#000000	2.44	21.00	1.00	21.00
##FFFFFF	8.59	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#394F7B

Deuteranopia (green-blind)

#314978

Tritanopia (blue-blind)

#17555C

Achromatopsia (no color)

#4C4C4C

Design tokens & code

CSS

--color: #374b79;
/* rgb */ color: rgb(55, 75, 121);
/* oklch */ color: oklch(41.9% 0.081 265.3);

Tailwind

colors: {
  custom: {
    50: '#737da0',
    500: '#374b79',
    950: '#000000',
  },
}

SCSS

$custom: #374b79;
$custom-light: #737da0;
$custom-dark: #000000;

JSON

{
  "hex": "#374b79",
  "rgb": {
    "r": 55,
    "g": 75,
    "b": 121
  },
  "hsl": {
    "h": 221.818,
    "s": 37.5,
    "l": 34.51
  },
  "oklch": {
    "l": 0.41868,
    "c": 0.08115,
    "h": 265.3
  },
  "luminance": 0.07225
}

Semantic roles & 50–950 ramp

primary

#374B79

secondary

#A69266

accent

#AB5ACD

background

#F7F7F9

surface

#EDEEF2

border

#C8C9CC

text

#08090E

muted

#7B7B7E

Preview Lab

Preview with #374B79

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

Preview Lab → · Contrast checker → · Palette generator →