#374E7C#374E7C

#374E7C is a dark, moderate blue. Relative luminance 0.077; OKLCH L 42.8% C 0.082 H 263.2°. Best body text is #FFFFFF at 8.26:1 contrast (WCAG AA passes).

Color values

HEX	#374E7C
RGB	rgb(55, 78, 124)
HSL	hsl(220, 39%, 35%)
HSV	hsv(220, 56%, 49%)
CMYK	cmyk(55.6%, 37.1%, 0%, 51.4%)
CIE-LAB	lab(33.38, 5.68, -28.80)
CIE-LCH	lch(33.38, 29.36, 281.16°)
OKLab	oklab(42.75% -0.0097 -0.0813)
OKLCH	oklch(42.75% 0.082 263.2)
XYZ	xyz(7.9368, 7.7157, 20.1359)
Luminance	0.0772 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#374E7C #7C6537

analogous

#37707C #374E7C #43377C

triadic

#374E7C #7C374E #4E7C37

tetradic

#374E7C #7C3770 #7C6537 #377C43

square

#374E7C #7C3770 #7C6537 #377C43

split-complementary

#374E7C #7C4337 #707C37

monochromatic

#111927 #243352 #374E7C #4A69A6 #6E89BF

Accessibility & contrast

On white

8.26

#374E7C on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.54

#374E7C on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #374E7C

8.26:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##374E7C	#FFFFFF	#000000	##FFFFFF
##374E7C	1.00	8.26	2.54	8.26
#FFFFFF	8.26	1.00	21.00	1.00
#000000	2.54	21.00	1.00	21.00
##FFFFFF	8.26	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#3C527E

Deuteranopia (green-blind)

#334C7B

Tritanopia (blue-blind)

#12585F

Achromatopsia (no color)

#4E4E4E

Design tokens & code

CSS

--color: #374e7c;
/* rgb */ color: rgb(55, 78, 124);
/* oklch */ color: oklch(42.8% 0.082 263.2);

Tailwind

colors: {
  custom: {
    50: '#737fa2',
    500: '#374e7c',
    950: '#000000',
  },
}

SCSS

$custom: #374e7c;
$custom-light: #737fa2;
$custom-dark: #000000;

JSON

{
  "hex": "#374e7c",
  "rgb": {
    "r": 55,
    "g": 78,
    "b": 124
  },
  "hsl": {
    "h": 220,
    "s": 38.547,
    "l": 35.098
  },
  "oklch": {
    "l": 0.42752,
    "c": 0.08193,
    "h": 263.2
  },
  "luminance": 0.07716
}

Semantic roles & 50–950 ramp

primary

#374E7C

secondary

#A89267

accent

#A759CE

background

#F7F7FA

surface

#EDEEF3

border

#C8C9CD

text

#080A0F

muted

#7B7C7F

Preview Lab

Preview with #374E7C

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

Preview Lab → · Contrast checker → · Palette generator →