#375BC8#375BC8

#375BC8 is a mid, vivid blue. Relative luminance 0.125; OKLCH L 50.9% C 0.175 H 266.4°. Best body text is #FFFFFF at 6.01:1 contrast (WCAG AA passes).

Color values

HEX	#375BC8
RGB	rgb(55, 91, 200)
HSL	hsl(225, 57%, 50%)
HSV	hsv(225, 73%, 78%)
CMYK	cmyk(72.5%, 54.5%, 0%, 21.6%)
CIE-LAB	lab(41.94, 24.81, -60.54)
CIE-LCH	lch(41.94, 65.43, 292.29°)
OKLab	oklab(50.86% -0.0111 -0.1744)
OKLCH	oklch(50.86% 0.175 266.4)
XYZ	xyz(15.7383, 12.4629, 56.2085)
Luminance	0.1246 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#375BC8 #C8A437

analogous

#37A4C8 #375BC8 #5B37C8

triadic

#375BC8 #C8375B #5BC837

tetradic

#375BC8 #C837A4 #C8A437 #37C85B

square

#375BC8 #C837A4 #C8A437 #37C85B

split-complementary

#375BC8 #C85B37 #A4C837

monochromatic

#1D2F68 #2A4598 #375BC8 #6782D5 #97AAE2

Accessibility & contrast

On white

6.01

#375BC8 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.49

#375BC8 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #375BC8

6.01:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##375BC8	#FFFFFF	#000000	##FFFFFF
##375BC8	1.00	6.01	3.49	6.01
#FFFFFF	6.01	1.00	21.00	1.00
#000000	3.49	21.00	1.00	21.00
##FFFFFF	6.01	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#006ACC

Deuteranopia (green-blind)

#005DC6

Tritanopia (blue-blind)

#007688

Achromatopsia (no color)

#636363

Design tokens & code

CSS

--color: #375bc8;
/* rgb */ color: rgb(55, 91, 200);
/* oklch */ color: oklch(50.9% 0.175 266.4);

Tailwind

colors: {
  custom: {
    50: '#8188d9',
    500: '#375bc8',
    950: '#000000',
  },
}

SCSS

$custom: #375bc8;
$custom-light: #8188d9;
$custom-dark: #000000;

JSON

{
  "hex": "#375bc8",
  "rgb": {
    "r": 55,
    "g": 91,
    "b": 200
  },
  "hsl": {
    "h": 225.103,
    "s": 56.863,
    "l": 50
  },
  "oklch": {
    "l": 0.5086,
    "c": 0.17472,
    "h": 266.4
  },
  "luminance": 0.12465
}

Semantic roles & 50–950 ramp

primary

#375BC8

secondary

#CEBE8D

accent

#BA48E0

background

#F8F8FD

surface

#F0EFFB

border

#CBCAD4

text

#0C0B15

muted

#7D7C83

Preview Lab

Preview with #375BC8

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

Preview Lab → · Contrast checker → · Palette generator →