#374FAE#374FAE

#374FAE is a mid, vivid blue. Relative luminance 0.095; OKLCH L 46.4% C 0.154 H 268.9°. Best body text is #FFFFFF at 7.26:1 contrast (WCAG AA passes).

Color values

HEX	#374FAE
RGB	rgb(55, 79, 174)
HSL	hsl(228, 52%, 45%)
HSV	hsv(228, 68%, 68%)
CMYK	cmyk(68.4%, 54.6%, 0%, 31.8%)
CIE-LAB	lab(36.85, 23.08, -53.57)
CIE-LCH	lch(36.85, 58.33, 293.31°)
OKLab	oklab(46.43% -0.0028 -0.154)
OKLCH	oklch(46.43% 0.154 268.9)
XYZ	xyz(12.0089, 9.4590, 41.2291)
Luminance	0.0946 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#374FAE #AE9637

analogous

#378BAE #374FAE #5A37AE

triadic

#374FAE #AE374F #4FAE37

tetradic

#374FAE #AE378B #AE9637 #37AE5A

square

#374FAE #AE378B #AE9637 #37AE5A

split-complementary

#374FAE #AE5A37 #8BAE37

monochromatic

#1A2551 #283A7F #374FAE #586FCA #8697D9

Accessibility & contrast

On white

7.26

#374FAE on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.89

#374FAE on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #374FAE

7.26:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##374FAE	#FFFFFF	#000000	##FFFFFF
##374FAE	1.00	7.26	2.89	7.26
#FFFFFF	7.26	1.00	21.00	1.00
#000000	2.89	21.00	1.00	21.00
##FFFFFF	7.26	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#055CB1

Deuteranopia (green-blind)

#0052AC

Tritanopia (blue-blind)

#006677

Achromatopsia (no color)

#575757

Design tokens & code

CSS

--color: #374fae;
/* rgb */ color: rgb(55, 79, 174);
/* oklch */ color: oklch(46.4% 0.154 268.9);

Tailwind

colors: {
  custom: {
    50: '#7c80c7',
    500: '#374fae',
    950: '#000000',
  },
}

SCSS

$custom: #374fae;
$custom-light: #7c80c7;
$custom-dark: #000000;

JSON

{
  "hex": "#374fae",
  "rgb": {
    "r": 55,
    "g": 79,
    "b": 174
  },
  "hsl": {
    "h": 227.899,
    "s": 51.965,
    "l": 44.902
  },
  "oklch": {
    "l": 0.46428,
    "c": 0.15407,
    "h": 268.9
  },
  "luminance": 0.0946
}

Semantic roles & 50–950 ramp

primary

#374FAE

secondary

#C3B57E

accent

#BF4CDB

background

#F8F7FC

surface

#EFEEF8

border

#CAC9D1

text

#0B0A13

muted

#7C7C82

Preview Lab

Preview with #374FAE

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

Preview Lab → · Contrast checker → · Palette generator →