#374ABB#374ABB

#374ABB is a mid, vivid blue. Relative luminance 0.093; OKLCH L 46.5% C 0.178 H 270.5°. Best body text is #FFFFFF at 7.34:1 contrast (WCAG AA passes).

Color values

HEX	#374ABB
RGB	rgb(55, 74, 187)
HSL	hsl(231, 55%, 47%)
HSV	hsv(231, 71%, 73%)
CMYK	cmyk(70.6%, 60.4%, 0%, 26.7%)
CIE-LAB	lab(36.55, 31.05, -61.73)
CIE-LCH	lch(36.55, 69.10, 296.70°)
OKLab	oklab(46.51% 0.0016 -0.1781)
OKLCH	oklch(46.51% 0.178 270.5)
XYZ	xyz(12.9909, 9.2963, 48.1138)
Luminance	0.0930 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#374ABB #BBA837

analogous

#378CBB #374ABB #6637BB

triadic

#374ABB #BB374A #4ABB37

tetradic

#374ABB #BB378C #BBA837 #37BB66

square

#374ABB #BB378C #BBA837 #37BB66

split-complementary

#374ABB #BB6637 #8CBB37

monochromatic

#1B255C #29378C #374ABB #5F6FD0 #8E9ADE

Accessibility & contrast

On white

7.34

#374ABB on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.86

#374ABB on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #374ABB

7.34:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##374ABB	#FFFFFF	#000000	##FFFFFF
##374ABB	1.00	7.34	2.86	7.34
#FFFFFF	7.34	1.00	21.00	1.00
#000000	2.86	21.00	1.00	21.00
##FFFFFF	7.34	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#005CBF

Deuteranopia (green-blind)

#0050B9

Tritanopia (blue-blind)

#00667B

Achromatopsia (no color)

#565656

Design tokens & code

CSS

--color: #374abb;
/* rgb */ color: rgb(55, 74, 187);
/* oklch */ color: oklch(46.5% 0.178 270.5);

Tailwind

colors: {
  custom: {
    50: '#7f7cd0',
    500: '#374abb',
    950: '#000000',
  },
}

SCSS

$custom: #374abb;
$custom-light: #7f7cd0;
$custom-dark: #000000;

JSON

{
  "hex": "#374abb",
  "rgb": {
    "r": 55,
    "g": 74,
    "b": 187
  },
  "hsl": {
    "h": 231.364,
    "s": 54.545,
    "l": 47.451
  },
  "oklch": {
    "l": 0.46513,
    "c": 0.17812,
    "h": 270.5
  },
  "luminance": 0.09298
}

Semantic roles & 50–950 ramp

primary

#374ABB

secondary

#C9BF85

accent

#C94ADE

background

#F8F7FC

surface

#F0EEF9

border

#CBC9D2

text

#0B0914

muted

#7C7B82

Preview Lab

Preview with #374ABB

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

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