#374B7B#374B7B

#374B7B is a dark, moderate blue. Relative luminance 0.073; OKLCH L 42.0% C 0.084 H 265.8°. Best body text is #FFFFFF at 8.55:1 contrast (WCAG AA passes).

Color values

HEX	#374B7B
RGB	rgb(55, 75, 123)
HSL	hsl(222, 38%, 35%)
HSV	hsv(222, 55%, 48%)
CMYK	cmyk(55.3%, 39%, 0%, 51.8%)
CIE-LAB	lab(32.42, 7.31, -29.70)
CIE-LCH	lch(32.42, 30.58, 283.82°)
OKLab	oklab(41.99% -0.0062 -0.084)
OKLCH	oklch(41.99% 0.084 265.8)
XYZ	xyz(7.6656, 7.2739, 19.7351)
Luminance	0.0727 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#374B7B #7B6737

analogous

#376D7B #374B7B #45377B

triadic

#374B7B #7B374B #4B7B37

tetradic

#374B7B #7B376D #7B6737 #377B45

square

#374B7B #7B376D #7B6737 #377B45

split-complementary

#374B7B #7B4537 #6D7B37

monochromatic

#111726 #243151 #374B7B #4A65A5 #6E86BE

Accessibility & contrast

On white

8.55

#374B7B on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.45

#374B7B on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #374B7B

8.55:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##374B7B	#FFFFFF	#000000	##FFFFFF
##374B7B	1.00	8.55	2.45	8.55
#FFFFFF	8.55	1.00	21.00	1.00
#000000	2.45	21.00	1.00	21.00
##FFFFFF	8.55	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#38507D

Deuteranopia (green-blind)

#30497A

Tritanopia (blue-blind)

#14555D

Achromatopsia (no color)

#4C4C4C

Design tokens & code

CSS

--color: #374b7b;
/* rgb */ color: rgb(55, 75, 123);
/* oklch */ color: oklch(42.0% 0.084 265.8);

Tailwind

colors: {
  custom: {
    50: '#737da1',
    500: '#374b7b',
    950: '#000000',
  },
}

SCSS

$custom: #374b7b;
$custom-light: #737da1;
$custom-dark: #000000;

JSON

{
  "hex": "#374b7b",
  "rgb": {
    "r": 55,
    "g": 75,
    "b": 123
  },
  "hsl": {
    "h": 222.353,
    "s": 38.202,
    "l": 34.902
  },
  "oklch": {
    "l": 0.4199,
    "c": 0.08422,
    "h": 265.8
  },
  "luminance": 0.07274
}

Semantic roles & 50–950 ramp

primary

#374B7B

secondary

#A79467

accent

#AC5ACE

background

#F7F7F9

surface

#EDEEF2

border

#C8C9CC

text

#08090F

muted

#7B7B7E

Preview Lab

Preview with #374B7B

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

Preview Lab → · Contrast checker → · Palette generator →