#374DB5#374DB5

#374DB5 is a mid, vivid blue. Relative luminance 0.095; OKLCH L 46.6% C 0.166 H 269.7°. Best body text is #FFFFFF at 7.26:1 contrast (WCAG AA passes).

Color values

HEX	#374DB5
RGB	rgb(55, 77, 181)
HSL	hsl(230, 53%, 46%)
HSV	hsv(230, 70%, 71%)
CMYK	cmyk(69.6%, 57.5%, 0%, 29%)
CIE-LAB	lab(36.85, 26.94, -57.72)
CIE-LCH	lch(36.85, 63.70, 295.02°)
OKLab	oklab(46.59% -0.0008 -0.1663)
OKLCH	oklch(46.59% 0.166 269.7)
XYZ	xyz(12.5671, 9.4549, 44.8698)
Luminance	0.0946 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#374DB5 #B59F37

analogous

#378CB5 #374DB5 #6037B5

triadic

#374DB5 #B5374D #4DB537

tetradic

#374DB5 #B5378C #B59F37 #37B560

square

#374DB5 #B5378C #B59F37 #37B560

split-complementary

#374DB5 #B56037 #8CB537

monochromatic

#1A2557 #293986 #374DB5 #5C70CD #8B99DC

Accessibility & contrast

On white

7.26

#374DB5 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.89

#374DB5 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #374DB5

7.26:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##374DB5	#FFFFFF	#000000	##FFFFFF
##374DB5	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)

#005DB9

Deuteranopia (green-blind)

#0051B3

Tritanopia (blue-blind)

#006779

Achromatopsia (no color)

#575757

Design tokens & code

CSS

--color: #374db5;
/* rgb */ color: rgb(55, 77, 181);
/* oklch */ color: oklch(46.6% 0.166 269.7);

Tailwind

colors: {
  custom: {
    50: '#7e7ecc',
    500: '#374db5',
    950: '#000000',
  },
}

SCSS

$custom: #374db5;
$custom-light: #7e7ecc;
$custom-dark: #000000;

JSON

{
  "hex": "#374db5",
  "rgb": {
    "r": 55,
    "g": 77,
    "b": 181
  },
  "hsl": {
    "h": 229.524,
    "s": 53.39,
    "l": 46.275
  },
  "oklch": {
    "l": 0.46587,
    "c": 0.16628,
    "h": 269.7
  },
  "luminance": 0.09456
}

Semantic roles & 50–950 ramp

primary

#374DB5

secondary

#C6BA82

accent

#C34BDD

background

#F8F7FC

surface

#EFEEF9

border

#CAC9D2

text

#0B0A13

muted

#7C7C82

Preview Lab

Preview with #374DB5

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

Preview Lab → · Contrast checker → · Palette generator →