#375FBC#375FBC

#375FBC is a mid, vivid blue. Relative luminance 0.126; OKLCH L 50.8% C 0.153 H 264.2°. Best body text is #FFFFFF at 5.96:1 contrast (WCAG AA passes).

Color values

HEX	#375FBC
RGB	rgb(55, 95, 188)
HSL	hsl(222, 55%, 48%)
HSV	hsv(222, 71%, 74%)
CMYK	cmyk(70.7%, 49.5%, 0%, 26.3%)
CIE-LAB	lab(42.19, 17.80, -53.17)
CIE-LCH	lch(42.19, 56.07, 288.51°)
OKLab	oklab(50.79% -0.0156 -0.1526)
OKLCH	oklch(50.79% 0.153 264.2)
XYZ	xyz(14.7417, 12.6260, 49.2273)
Luminance	0.1263 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#375FBC #BC9437

analogous

#37A1BC #375FBC #5137BC

triadic

#375FBC #BC375F #5FBC37

tetradic

#375FBC #BC37A1 #BC9437 #37BC51

square

#375FBC #BC37A1 #BC9437 #37BC51

split-complementary

#375FBC #BC5137 #A1BC37

monochromatic

#1B2F5D #29478D #375FBC #6082D0 #8FA7DE

Accessibility & contrast

On white

5.96

#375FBC on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.53

#375FBC on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #375FBC

5.96:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##375FBC	#FFFFFF	#000000	##FFFFFF
##375FBC	1.00	5.96	3.53	5.96
#FFFFFF	5.96	1.00	21.00	1.00
#000000	3.53	21.00	1.00	21.00
##FFFFFF	5.96	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#2A6ABF

Deuteranopia (green-blind)

#005EBA

Tritanopia (blue-blind)

#007584

Achromatopsia (no color)

#646464

Design tokens & code

CSS

--color: #375fbc;
/* rgb */ color: rgb(55, 95, 188);
/* oklch */ color: oklch(50.8% 0.153 264.2);

Tailwind

colors: {
  custom: {
    50: '#7e8bd1',
    500: '#375fbc',
    950: '#000000',
  },
}

SCSS

$custom: #375fbc;
$custom-light: #7e8bd1;
$custom-dark: #000000;

JSON

{
  "hex": "#375fbc",
  "rgb": {
    "r": 55,
    "g": 95,
    "b": 188
  },
  "hsl": {
    "h": 221.955,
    "s": 54.733,
    "l": 47.647
  },
  "oklch": {
    "l": 0.50786,
    "c": 0.1534,
    "h": 264.2
  },
  "luminance": 0.12627
}

Semantic roles & 50–950 ramp

primary

#375FBC

secondary

#C9B586

accent

#B14ADE

background

#F8F8FC

surface

#EFF0F9

border

#CACBD2

text

#0B0C14

muted

#7C7D82

Preview Lab

Preview with #375FBC

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

Preview Lab → · Contrast checker → · Palette generator →