#374CB6#374CB6

#374CB6 is a mid, vivid blue. Relative luminance 0.094; OKLCH L 46.5% C 0.169 H 270.0°. Best body text is #FFFFFF at 7.31:1 contrast (WCAG AA passes).

Color values

HEX	#374CB6
RGB	rgb(55, 76, 182)
HSL	hsl(230, 54%, 46%)
HSV	hsv(230, 70%, 71%)
CMYK	cmyk(69.8%, 58.2%, 0%, 28.6%)
CIE-LAB	lab(36.66, 27.95, -58.60)
CIE-LCH	lch(36.66, 64.93, 295.50°)
OKLab	oklab(46.48% 0 -0.1689)
OKLCH	oklch(46.48% 0.169 270)
XYZ	xyz(12.6006, 9.3573, 45.3890)
Luminance	0.0936 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#374CB6 #B6A137

analogous

#378CB6 #374CB6 #6237B6

triadic

#374CB6 #B6374C #4CB637

tetradic

#374CB6 #B6378C #B6A137 #37B662

square

#374CB6 #B6378C #B6A137 #37B662

split-complementary

#374CB6 #B66237 #8CB637

monochromatic

#1B2558 #293887 #374CB6 #5C6FCE #8B99DC

Accessibility & contrast

On white

7.31

#374CB6 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.87

#374CB6 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #374CB6

7.31:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##374CB6	#FFFFFF	#000000	##FFFFFF
##374CB6	1.00	7.31	2.87	7.31
#FFFFFF	7.31	1.00	21.00	1.00
#000000	2.87	21.00	1.00	21.00
##FFFFFF	7.31	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#005CBA

Deuteranopia (green-blind)

#0051B4

Tritanopia (blue-blind)

#006679

Achromatopsia (no color)

#565656

Design tokens & code

CSS

--color: #374cb6;
/* rgb */ color: rgb(55, 76, 182);
/* oklch */ color: oklch(46.5% 0.169 270.0);

Tailwind

colors: {
  custom: {
    50: '#7e7dcd',
    500: '#374cb6',
    950: '#000000',
  },
}

SCSS

$custom: #374cb6;
$custom-light: #7e7dcd;
$custom-dark: #000000;

JSON

{
  "hex": "#374cb6",
  "rgb": {
    "r": 55,
    "g": 76,
    "b": 182
  },
  "hsl": {
    "h": 230.079,
    "s": 53.586,
    "l": 46.471
  },
  "oklch": {
    "l": 0.46475,
    "c": 0.16889,
    "h": 270
  },
  "luminance": 0.09359
}

Semantic roles & 50–950 ramp

primary

#374CB6

secondary

#C6BB82

accent

#C54BDD

background

#F8F7FC

surface

#EFEEF9

border

#CAC9D2

text

#0B0913

muted

#7C7B82

Preview Lab

Preview with #374CB6

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

Preview Lab → · Contrast checker → · Palette generator →