#374C8E#374C8E

#374C8E is a dark, moderate blue. Relative luminance 0.079; OKLCH L 43.4% C 0.112 H 268.2°. Best body text is #FFFFFF at 8.12:1 contrast (WCAG AA passes).

Color values

HEX	#374C8E
RGB	rgb(55, 76, 142)
HSL	hsl(226, 44%, 39%)
HSV	hsv(226, 61%, 56%)
CMYK	cmyk(61.3%, 46.5%, 0%, 44.3%)
CIE-LAB	lab(33.84, 13.40, -39.15)
CIE-LCH	lch(33.84, 41.38, 288.89°)
OKLab	oklab(43.45% -0.0034 -0.1117)
OKLCH	oklch(43.45% 0.112 268.2)
XYZ	xyz(9.0408, 7.9334, 26.6408)
Luminance	0.0793 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#374C8E #8E7937

analogous

#37778E #374C8E #4D378E

triadic

#374C8E #8E374C #4C8E37

tetradic

#374C8E #8E3777 #8E7937 #378E4D

square

#374C8E #8E3777 #8E7937 #378E4D

split-complementary

#374C8E #8E4D37 #778E37

monochromatic

#151D36 #263462 #374C8E #4964B9 #768ACA

Accessibility & contrast

On white

8.12

#374C8E on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.59

#374C8E on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #374C8E

8.12:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##374C8E	#FFFFFF	#000000	##FFFFFF
##374C8E	1.00	8.12	2.59	8.12
#FFFFFF	8.12	1.00	21.00	1.00
#000000	2.59	21.00	1.00	21.00
##FFFFFF	8.12	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#2D5490

Deuteranopia (green-blind)

#204C8D

Tritanopia (blue-blind)

#005B66

Achromatopsia (no color)

#505050

Design tokens & code

CSS

--color: #374c8e;
/* rgb */ color: rgb(55, 76, 142);
/* oklch */ color: oklch(43.4% 0.112 268.2);

Tailwind

colors: {
  custom: {
    50: '#767daf',
    500: '#374c8e',
    950: '#000000',
  },
}

SCSS

$custom: #374c8e;
$custom-light: #767daf;
$custom-dark: #000000;

JSON

{
  "hex": "#374c8e",
  "rgb": {
    "r": 55,
    "g": 76,
    "b": 142
  },
  "hsl": {
    "h": 225.517,
    "s": 44.162,
    "l": 38.627
  },
  "oklch": {
    "l": 0.43449,
    "c": 0.11174,
    "h": 268.2
  },
  "luminance": 0.07934
}

Semantic roles & 50–950 ramp

primary

#374C8E

secondary

#B3A26E

accent

#B554D4

background

#F7F7FA

surface

#EDEEF4

border

#C8C9CE

text

#090910

muted

#7B7B7F

Preview Lab

Preview with #374C8E

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

Preview Lab → · Contrast checker → · Palette generator →