#375DC8#375DC8

#375DC8 is a mid, vivid blue. Relative luminance 0.128; OKLCH L 51.3% C 0.172 H 265.8°. Best body text is #FFFFFF at 5.90:1 contrast (WCAG AA passes).

Color values

HEX	#375DC8
RGB	rgb(55, 93, 200)
HSL	hsl(224, 57%, 50%)
HSV	hsv(224, 73%, 78%)
CMYK	cmyk(72.5%, 53.5%, 0%, 21.6%)
CIE-LAB	lab(42.47, 23.52, -59.68)
CIE-LCH	lch(42.47, 64.14, 291.51°)
OKLab	oklab(51.26% -0.0126 -0.1718)
OKLCH	oklch(51.26% 0.172 265.8)
XYZ	xyz(15.9116, 12.8094, 56.2663)
Luminance	0.1281 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#375DC8 #C8A237

analogous

#37A5C8 #375DC8 #5A37C8

triadic

#375DC8 #C8375D #5DC837

tetradic

#375DC8 #C837A5 #C8A237 #37C85A

square

#375DC8 #C837A5 #C8A237 #37C85A

split-complementary

#375DC8 #C85A37 #A5C837

monochromatic

#1D3068 #2A4798 #375DC8 #6784D5 #97ABE2

Accessibility & contrast

On white

5.90

#375DC8 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.56

#375DC8 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #375DC8

5.90:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##375DC8	#FFFFFF	#000000	##FFFFFF
##375DC8	1.00	5.90	3.56	5.90
#FFFFFF	5.90	1.00	21.00	1.00
#000000	3.56	21.00	1.00	21.00
##FFFFFF	5.90	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#096BCC

Deuteranopia (green-blind)

#005EC6

Tritanopia (blue-blind)

#007789

Achromatopsia (no color)

#646464

Design tokens & code

CSS

--color: #375dc8;
/* rgb */ color: rgb(55, 93, 200);
/* oklch */ color: oklch(51.3% 0.172 265.8);

Tailwind

colors: {
  custom: {
    50: '#818ad9',
    500: '#375dc8',
    950: '#000000',
  },
}

SCSS

$custom: #375dc8;
$custom-light: #818ad9;
$custom-dark: #000000;

JSON

{
  "hex": "#375dc8",
  "rgb": {
    "r": 55,
    "g": 93,
    "b": 200
  },
  "hsl": {
    "h": 224.276,
    "s": 56.863,
    "l": 50
  },
  "oklch": {
    "l": 0.51261,
    "c": 0.17227,
    "h": 265.8
  },
  "luminance": 0.12811
}

Semantic roles & 50–950 ramp

primary

#375DC8

secondary

#CEBD8D

accent

#B848E0

background

#F8F8FD

surface

#F0F0FB

border

#CBCBD4

text

#0C0B15

muted

#7D7C83

Preview Lab

Preview with #375DC8

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

Preview Lab → · Contrast checker → · Palette generator →