#374C8D#374C8D

#374C8D is a dark, moderate blue. Relative luminance 0.079; OKLCH L 43.4% C 0.110 H 268.1°. Best body text is #FFFFFF at 8.14:1 contrast (WCAG AA passes).

Color values

HEX	#374C8D
RGB	rgb(55, 76, 141)
HSL	hsl(225, 44%, 38%)
HSV	hsv(225, 61%, 55%)
CMYK	cmyk(61%, 46.1%, 0%, 44.7%)
CIE-LAB	lab(33.78, 13.04, -38.64)
CIE-LCH	lch(33.78, 40.78, 288.64°)
OKLab	oklab(43.38% -0.0036 -0.1102)
OKLCH	oklch(43.38% 0.11 268.1)
XYZ	xyz(8.9661, 7.9035, 26.2472)
Luminance	0.0790 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#374C8D #8D7837

analogous

#37778D #374C8D #4D378D

triadic

#374C8D #8D374C #4C8D37

tetradic

#374C8D #8D3777 #8D7837 #378D4D

square

#374C8D #8D3777 #8D7837 #378D4D

split-complementary

#374C8D #8D4D37 #778D37

monochromatic

#151D35 #263461 #374C8D #4964B8 #758AC9

Accessibility & contrast

On white

8.14

#374C8D on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.58

#374C8D on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #374C8D

8.14:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##374C8D	#FFFFFF	#000000	##FFFFFF
##374C8D	1.00	8.14	2.58	8.14
#FFFFFF	8.14	1.00	21.00	1.00
#000000	2.58	21.00	1.00	21.00
##FFFFFF	8.14	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#2E548F

Deuteranopia (green-blind)

#214C8C

Tritanopia (blue-blind)

#005B65

Achromatopsia (no color)

#4F4F4F

Design tokens & code

CSS

--color: #374c8d;
/* rgb */ color: rgb(55, 76, 141);
/* oklch */ color: oklch(43.4% 0.110 268.1);

Tailwind

colors: {
  custom: {
    50: '#767daf',
    500: '#374c8d',
    950: '#000000',
  },
}

SCSS

$custom: #374c8d;
$custom-light: #767daf;
$custom-dark: #000000;

JSON

{
  "hex": "#374c8d",
  "rgb": {
    "r": 55,
    "g": 76,
    "b": 141
  },
  "hsl": {
    "h": 225.349,
    "s": 43.878,
    "l": 38.431
  },
  "oklch": {
    "l": 0.43381,
    "c": 0.11024,
    "h": 268.1
  },
  "luminance": 0.07904
}

Semantic roles & 50–950 ramp

primary

#374C8D

secondary

#B2A16E

accent

#B454D4

background

#F7F7FA

surface

#EDEEF4

border

#C8C9CE

text

#090910

muted

#7B7B7F

Preview Lab

Preview with #374C8D

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

Preview Lab → · Contrast checker → · Palette generator →