#374CA9#374CA9

#374CA9 is a mid, vivid blue. Relative luminance 0.088; OKLCH L 45.4% C 0.151 H 269.8°. Best body text is #FFFFFF at 7.58:1 contrast (WCAG AA passes).

Color values

HEX	#374CA9
RGB	rgb(55, 76, 169)
HSL	hsl(229, 51%, 44%)
HSV	hsv(229, 67%, 66%)
CMYK	cmyk(67.5%, 55%, 0%, 33.7%)
CIE-LAB	lab(35.68, 23.22, -52.49)
CIE-LCH	lch(35.68, 57.39, 293.87°)
OKLab	oklab(45.43% -0.0005 -0.1509)
OKLCH	oklch(45.43% 0.151 269.8)
XYZ	xyz(11.3190, 8.8446, 38.6391)
Luminance	0.0885 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#374CA9 #A99437

analogous

#3785A9 #374CA9 #5B37A9

triadic

#374CA9 #A9374C #4CA937

tetradic

#374CA9 #A93785 #A99437 #37A95B

square

#374CA9 #A93785 #A99437 #37A95B

split-complementary

#374CA9 #A95B37 #85A937

monochromatic

#19224D #28377B #374CA9 #556AC8 #8493D7

Accessibility & contrast

On white

7.58

#374CA9 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.77

#374CA9 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #374CA9

7.58:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##374CA9	#FFFFFF	#000000	##FFFFFF
##374CA9	1.00	7.58	2.77	7.58
#FFFFFF	7.58	1.00	21.00	1.00
#000000	2.77	21.00	1.00	21.00
##FFFFFF	7.58	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0259AC

Deuteranopia (green-blind)

#004FA7

Tritanopia (blue-blind)

#006273

Achromatopsia (no color)

#545454

Design tokens & code

CSS

--color: #374ca9;
/* rgb */ color: rgb(55, 76, 169);
/* oklch */ color: oklch(45.4% 0.151 269.8);

Tailwind

colors: {
  custom: {
    50: '#7b7dc3',
    500: '#374ca9',
    950: '#000000',
  },
}

SCSS

$custom: #374ca9;
$custom-light: #7b7dc3;
$custom-dark: #000000;

JSON

{
  "hex": "#374ca9",
  "rgb": {
    "r": 55,
    "g": 76,
    "b": 169
  },
  "hsl": {
    "h": 228.947,
    "s": 50.893,
    "l": 43.922
  },
  "oklch": {
    "l": 0.45432,
    "c": 0.15091,
    "h": 269.8
  },
  "luminance": 0.08846
}

Semantic roles & 50–950 ramp

primary

#374CA9

secondary

#C0B47B

accent

#C04DDA

background

#F8F7FC

surface

#EFEEF8

border

#CAC9D1

text

#0A0913

muted

#7C7B82

Preview Lab

Preview with #374CA9

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

Preview Lab → · Contrast checker → · Palette generator →