#375CC8#375CC8

#375CC8 is a mid, vivid blue. Relative luminance 0.126; OKLCH L 51.1% C 0.173 H 266.1°. Best body text is #FFFFFF at 5.95:1 contrast (WCAG AA passes).

Color values

HEX	#375CC8
RGB	rgb(55, 92, 200)
HSL	hsl(225, 57%, 50%)
HSV	hsv(225, 73%, 78%)
CMYK	cmyk(72.5%, 54%, 0%, 21.6%)
CIE-LAB	lab(42.21, 24.17, -60.11)
CIE-LCH	lch(42.21, 64.78, 291.90°)
OKLab	oklab(51.06% -0.0119 -0.1731)
OKLCH	oklch(51.06% 0.174 266.1)
XYZ	xyz(15.8244, 12.6350, 56.2372)
Luminance	0.1264 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#375CC8 #C8A337

analogous

#37A4C8 #375CC8 #5B37C8

triadic

#375CC8 #C8375C #5CC837

tetradic

#375CC8 #C837A4 #C8A337 #37C85B

square

#375CC8 #C837A4 #C8A337 #37C85B

split-complementary

#375CC8 #C85B37 #A4C837

monochromatic

#1D3068 #2A4698 #375CC8 #6783D5 #97AAE2

Accessibility & contrast

On white

5.95

#375CC8 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.53

#375CC8 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #375CC8

5.95:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##375CC8	#FFFFFF	#000000	##FFFFFF
##375CC8	1.00	5.95	3.53	5.95
#FFFFFF	5.95	1.00	21.00	1.00
#000000	3.53	21.00	1.00	21.00
##FFFFFF	5.95	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#006BCC

Deuteranopia (green-blind)

#005DC6

Tritanopia (blue-blind)

#007689

Achromatopsia (no color)

#646464

Design tokens & code

CSS

--color: #375cc8;
/* rgb */ color: rgb(55, 92, 200);
/* oklch */ color: oklch(51.1% 0.173 266.1);

Tailwind

colors: {
  custom: {
    50: '#8189d9',
    500: '#375cc8',
    950: '#000000',
  },
}

SCSS

$custom: #375cc8;
$custom-light: #8189d9;
$custom-dark: #000000;

JSON

{
  "hex": "#375cc8",
  "rgb": {
    "r": 55,
    "g": 92,
    "b": 200
  },
  "hsl": {
    "h": 224.69,
    "s": 56.863,
    "l": 50
  },
  "oklch": {
    "l": 0.5106,
    "c": 0.1735,
    "h": 266.1
  },
  "luminance": 0.12637
}

Semantic roles & 50–950 ramp

primary

#375CC8

secondary

#CEBD8D

accent

#B948E0

background

#F8F8FD

surface

#F0F0FB

border

#CBCBD4

text

#0C0B15

muted

#7D7C83

Preview Lab

Preview with #375CC8

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

Preview Lab → · Contrast checker → · Palette generator →