#374699#374699

#374699 is a dark, vivid blue. Relative luminance 0.075; OKLCH L 43.0% C 0.136 H 271.8°. Best body text is #FFFFFF at 8.41:1 contrast (WCAG AA passes).

Color values

HEX	#374699
RGB	rgb(55, 70, 153)
HSL	hsl(231, 47%, 41%)
HSV	hsv(231, 64%, 60%)
CMYK	cmyk(64.1%, 54.2%, 0%, 40%)
CIE-LAB	lab(32.90, 21.37, -47.37)
CIE-LCH	lch(32.90, 51.97, 294.29°)
OKLab	oklab(42.97% 0.0042 -0.1359)
OKLCH	oklch(42.97% 0.136 271.8)
XYZ	xyz(9.5136, 7.4916, 31.0755)
Luminance	0.0749 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#374699 #998A37

analogous

#377799 #374699 #593799

triadic

#374699 #993746 #469937

tetradic

#374699 #993777 #998A37 #379959

square

#374699 #993777 #998A37 #379959

split-complementary

#374699 #995937 #779937

monochromatic

#171D3F #27316C #374699 #4E5FBF #7B88D0

Accessibility & contrast

On white

8.41

#374699 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.50

#374699 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #374699

8.41:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##374699	#FFFFFF	#000000	##FFFFFF
##374699	1.00	8.41	2.50	8.41
#FFFFFF	8.41	1.00	21.00	1.00
#000000	2.50	21.00	1.00	21.00
##FFFFFF	8.41	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#10529C

Deuteranopia (green-blind)

#004997

Tritanopia (blue-blind)

#005968

Achromatopsia (no color)

#4D4D4D

Design tokens & code

CSS

--color: #374699;
/* rgb */ color: rgb(55, 70, 153);
/* oklch */ color: oklch(43.0% 0.136 271.8);

Tailwind

colors: {
  custom: {
    50: '#7879b8',
    500: '#374699',
    950: '#000000',
  },
}

SCSS

$custom: #374699;
$custom-light: #7879b8;
$custom-dark: #000000;

JSON

{
  "hex": "#374699",
  "rgb": {
    "r": 55,
    "g": 70,
    "b": 153
  },
  "hsl": {
    "h": 230.816,
    "s": 47.115,
    "l": 40.784
  },
  "oklch": {
    "l": 0.42971,
    "c": 0.13598,
    "h": 271.8
  },
  "luminance": 0.07492
}

Semantic roles & 50–950 ramp

primary

#374699

secondary

#B9AE73

accent

#C251D7

background

#F7F7FB

surface

#EEEDF6

border

#C9C8D0

text

#0A0911

muted

#7C7B80

Preview Lab

Preview with #374699

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

Preview Lab → · Contrast checker → · Palette generator →