#374591#374591

#374591 is a dark, vivid blue. Relative luminance 0.071; OKLCH L 42.2% C 0.126 H 272.1°. Best body text is #FFFFFF at 8.67:1 contrast (WCAG AA passes).

Color values

HEX	#374591
RGB	rgb(55, 69, 145)
HSL	hsl(231, 45%, 39%)
HSV	hsv(231, 62%, 57%)
CMYK	cmyk(62.1%, 52.4%, 0%, 43.1%)
CIE-LAB	lab(32.06, 19.15, -43.85)
CIE-LCH	lch(32.06, 47.85, 293.59°)
OKLab	oklab(42.16% 0.0046 -0.1256)
OKLCH	oklch(42.16% 0.126 272.1)
XYZ	xyz(8.8128, 7.1121, 27.6909)
Luminance	0.0711 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#374591 #918337

analogous

#377291 #374591 #563791

triadic

#374591 #913745 #459137

tetradic

#374591 #913772 #918337 #379156

square

#374591 #913772 #918337 #379156

split-complementary

#374591 #915637 #729137

monochromatic

#151B38 #263065 #374591 #4B5CBB #7784CB

Accessibility & contrast

On white

8.67

#374591 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.42

#374591 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #374591

8.67:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##374591	#FFFFFF	#000000	##FFFFFF
##374591	1.00	8.67	2.42	8.67
#FFFFFF	8.67	1.00	21.00	1.00
#000000	2.42	21.00	1.00	21.00
##FFFFFF	8.67	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#1A5094

Deuteranopia (green-blind)

#02488F

Tritanopia (blue-blind)

#005764

Achromatopsia (no color)

#4B4B4B

Design tokens & code

CSS

--color: #374591;
/* rgb */ color: rgb(55, 69, 145);
/* oklch */ color: oklch(42.2% 0.126 272.1);

Tailwind

colors: {
  custom: {
    50: '#7778b2',
    500: '#374591',
    950: '#000000',
  },
}

SCSS

$custom: #374591;
$custom-light: #7778b2;
$custom-dark: #000000;

JSON

{
  "hex": "#374591",
  "rgb": {
    "r": 55,
    "g": 69,
    "b": 145
  },
  "hsl": {
    "h": 230.667,
    "s": 45,
    "l": 39.216
  },
  "oklch": {
    "l": 0.42157,
    "c": 0.12566,
    "h": 272.1
  },
  "luminance": 0.07113
}

Semantic roles & 50–950 ramp

primary

#374591

secondary

#B4AA70

accent

#C153D5

background

#F7F7FB

surface

#EEEDF6

border

#C9C8D0

text

#090811

muted

#7B7B80

Preview Lab

Preview with #374591

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

Preview Lab → · Contrast checker → · Palette generator →