#374C7A#374C7A

#374C7A is a dark, moderate blue. Relative luminance 0.074; OKLCH L 42.2% C 0.081 H 264.6°. Best body text is #FFFFFF at 8.48:1 contrast (WCAG AA passes).

Color values

HEX	#374C7A
RGB	rgb(55, 76, 122)
HSL	hsl(221, 38%, 35%)
HSV	hsv(221, 55%, 48%)
CMYK	cmyk(54.9%, 37.7%, 0%, 52.2%)
CIE-LAB	lab(32.67, 6.30, -28.69)
CIE-LCH	lch(32.67, 29.37, 282.39°)
OKLab	oklab(42.16% -0.0077 -0.081)
OKLCH	oklch(42.16% 0.081 264.6)
XYZ	xyz(7.6717, 7.3857, 19.4299)
Luminance	0.0739 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#374C7A #7A6537

analogous

#376E7A #374C7A #44377A

triadic

#374C7A #7A374C #4C7A37

tetradic

#374C7A #7A376E #7A6537 #377A44

square

#374C7A #7A376E #7A6537 #377A44

split-complementary

#374C7A #7A4437 #6E7A37

monochromatic

#111726 #243250 #374C7A #4A66A4 #6E87BE

Accessibility & contrast

On white

8.48

#374C7A on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.48

#374C7A on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #374C7A

8.48:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##374C7A	#FFFFFF	#000000	##FFFFFF
##374C7A	1.00	8.48	2.48	8.48
#FFFFFF	8.48	1.00	21.00	1.00
#000000	2.48	21.00	1.00	21.00
##FFFFFF	8.48	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#3A507C

Deuteranopia (green-blind)

#324A79

Tritanopia (blue-blind)

#15565D

Achromatopsia (no color)

#4D4D4D

Design tokens & code

CSS

--color: #374c7a;
/* rgb */ color: rgb(55, 76, 122);
/* oklch */ color: oklch(42.2% 0.081 264.6);

Tailwind

colors: {
  custom: {
    50: '#737da0',
    500: '#374c7a',
    950: '#000000',
  },
}

SCSS

$custom: #374c7a;
$custom-light: #737da0;
$custom-dark: #000000;

JSON

{
  "hex": "#374c7a",
  "rgb": {
    "r": 55,
    "g": 76,
    "b": 122
  },
  "hsl": {
    "h": 221.194,
    "s": 37.853,
    "l": 34.706
  },
  "oklch": {
    "l": 0.42163,
    "c": 0.0814,
    "h": 264.6
  },
  "luminance": 0.07386
}

Semantic roles & 50–950 ramp

primary

#374C7A

secondary

#A69266

accent

#AA5ACE

background

#F7F7F9

surface

#EDEEF2

border

#C8C9CC

text

#08090F

muted

#7B7B7E

Preview Lab

Preview with #374C7A

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

Preview Lab → · Contrast checker → · Palette generator →