#374CB4#374CB4

#374CB4 is a mid, vivid blue. Relative luminance 0.093; OKLCH L 46.3% C 0.166 H 270.0°. Best body text is #FFFFFF at 7.36:1 contrast (WCAG AA passes).

Color values

HEX	#374CB4
RGB	rgb(55, 76, 180)
HSL	hsl(230, 53%, 46%)
HSV	hsv(230, 69%, 71%)
CMYK	cmyk(69.4%, 57.8%, 0%, 29.4%)
CIE-LAB	lab(36.51, 27.23, -57.68)
CIE-LCH	lch(36.51, 63.78, 295.27°)
OKLab	oklab(46.31% 0 -0.1662)
OKLCH	oklch(46.31% 0.166 270)
XYZ	xyz(12.3954, 9.2752, 44.3082)
Luminance	0.0928 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#374CB4 #B49F37

analogous

#378AB4 #374CB4 #6037B4

triadic

#374CB4 #B4374C #4CB437

tetradic

#374CB4 #B4378A #B49F37 #37B460

square

#374CB4 #B4378A #B49F37 #37B460

split-complementary

#374CB4 #B46037 #8AB437

monochromatic

#1A2456 #293885 #374CB4 #5B6ECD #8A98DB

Accessibility & contrast

On white

7.36

#374CB4 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.86

#374CB4 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #374CB4

7.36:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##374CB4	#FFFFFF	#000000	##FFFFFF
##374CB4	1.00	7.36	2.86	7.36
#FFFFFF	7.36	1.00	21.00	1.00
#000000	2.86	21.00	1.00	21.00
##FFFFFF	7.36	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#005CB8

Deuteranopia (green-blind)

#0050B2

Tritanopia (blue-blind)

#006678

Achromatopsia (no color)

#565656

Design tokens & code

CSS

--color: #374cb4;
/* rgb */ color: rgb(55, 76, 180);
/* oklch */ color: oklch(46.3% 0.166 270.0);

Tailwind

colors: {
  custom: {
    50: '#7d7dcb',
    500: '#374cb4',
    950: '#000000',
  },
}

SCSS

$custom: #374cb4;
$custom-light: #7d7dcb;
$custom-dark: #000000;

JSON

{
  "hex": "#374cb4",
  "rgb": {
    "r": 55,
    "g": 76,
    "b": 180
  },
  "hsl": {
    "h": 229.92,
    "s": 53.191,
    "l": 46.078
  },
  "oklch": {
    "l": 0.46311,
    "c": 0.16616,
    "h": 270
  },
  "luminance": 0.09276
}

Semantic roles & 50–950 ramp

primary

#374CB4

secondary

#C6BA81

accent

#C44BDD

background

#F8F7FC

surface

#EFEEF9

border

#CAC9D2

text

#0B0913

muted

#7C7B82

Preview Lab

Preview with #374CB4

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

Preview Lab → · Contrast checker → · Palette generator →