#374BA9#374BA9

#374BA9 is a mid, vivid blue. Relative luminance 0.087; OKLCH L 45.2% C 0.152 H 270.2°. Best body text is #FFFFFF at 7.66:1 contrast (WCAG AA passes).

Color values

HEX	#374BA9
RGB	rgb(55, 75, 169)
HSL	hsl(229, 51%, 44%)
HSV	hsv(229, 67%, 66%)
CMYK	cmyk(67.5%, 55.6%, 0%, 33.7%)
CIE-LAB	lab(35.42, 23.88, -52.92)
CIE-LCH	lch(35.42, 58.06, 294.29°)
OKLab	oklab(45.23% 0.0004 -0.1522)
OKLCH	oklch(45.23% 0.152 270.2)
XYZ	xyz(11.2506, 8.7079, 38.6163)
Luminance	0.0871 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#374BA9 #A99537

analogous

#3784A9 #374BA9 #5C37A9

triadic

#374BA9 #A9374B #4BA937

tetradic

#374BA9 #A93784 #A99537 #37A95C

square

#374BA9 #A93784 #A99537 #37A95C

split-complementary

#374BA9 #A95C37 #84A937

monochromatic

#19224D #28377B #374BA9 #5569C8 #8492D7

Accessibility & contrast

On white

7.66

#374BA9 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.74

#374BA9 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #374BA9

7.66:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##374BA9	#FFFFFF	#000000	##FFFFFF
##374BA9	1.00	7.66	2.74	7.66
#FFFFFF	7.66	1.00	21.00	1.00
#000000	2.74	21.00	1.00	21.00
##FFFFFF	7.66	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0059AC

Deuteranopia (green-blind)

#004EA7

Tritanopia (blue-blind)

#006272

Achromatopsia (no color)

#535353

Design tokens & code

CSS

--color: #374ba9;
/* rgb */ color: rgb(55, 75, 169);
/* oklch */ color: oklch(45.2% 0.152 270.2);

Tailwind

colors: {
  custom: {
    50: '#7b7dc3',
    500: '#374ba9',
    950: '#000000',
  },
}

SCSS

$custom: #374ba9;
$custom-light: #7b7dc3;
$custom-dark: #000000;

JSON

{
  "hex": "#374ba9",
  "rgb": {
    "r": 55,
    "g": 75,
    "b": 169
  },
  "hsl": {
    "h": 229.474,
    "s": 50.893,
    "l": 43.922
  },
  "oklch": {
    "l": 0.45231,
    "c": 0.15219,
    "h": 270.2
  },
  "luminance": 0.08709
}

Semantic roles & 50–950 ramp

primary

#374BA9

secondary

#C0B47B

accent

#C24DDA

background

#F8F7FC

surface

#EFEEF8

border

#CAC9D1

text

#0A0913

muted

#7C7B82

Preview Lab

Preview with #374BA9

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

Preview Lab → · Contrast checker → · Palette generator →