#375AD2#375AD2

#375AD2 is a mid, vivid blue. Relative luminance 0.128; OKLCH L 51.5% C 0.189 H 267.0°. Best body text is #FFFFFF at 5.91:1 contrast (WCAG AA passes).

Color values

HEX	#375AD2
RGB	rgb(55, 90, 210)
HSL	hsl(226, 63%, 52%)
HSV	hsv(226, 74%, 82%)
CMYK	cmyk(73.8%, 57.1%, 0%, 17.6%)
CIE-LAB	lab(42.42, 29.11, -65.52)
CIE-LCH	lch(42.42, 71.70, 293.96°)
OKLab	oklab(51.46% -0.0098 -0.189)
OKLCH	oklch(51.46% 0.189 267)
XYZ	xyz(16.8605, 12.7759, 62.5377)
Luminance	0.1278 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#375AD2 #D2AF37

analogous

#37A7D2 #375AD2 #6237D2

triadic

#375AD2 #D2375A #5AD237

tetradic

#375AD2 #D237A7 #D2AF37 #37D262

square

#375AD2 #D237A7 #D2AF37 #37D262

split-complementary

#375AD2 #D26237 #A7D237

monochromatic

#1A2F74 #2543A6 #375AD2 #6983DD #9BACE8

Accessibility & contrast

On white

5.91

#375AD2 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.56

#375AD2 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #375AD2

5.91:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##375AD2	#FFFFFF	#000000	##FFFFFF
##375AD2	1.00	5.91	3.56	5.91
#FFFFFF	5.91	1.00	21.00	1.00
#000000	3.56	21.00	1.00	21.00
##FFFFFF	5.91	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#006CD6

Deuteranopia (green-blind)

#005DD0

Tritanopia (blue-blind)

#00788D

Achromatopsia (no color)

#646464

Design tokens & code

CSS

--color: #375ad2;
/* rgb */ color: rgb(55, 90, 210);
/* oklch */ color: oklch(51.5% 0.189 267.0);

Tailwind

colors: {
  custom: {
    50: '#8388e1',
    500: '#375ad2',
    950: '#000000',
  },
}

SCSS

$custom: #375ad2;
$custom-light: #8388e1;
$custom-dark: #000000;

JSON

{
  "hex": "#375ad2",
  "rgb": {
    "r": 55,
    "g": 90,
    "b": 210
  },
  "hsl": {
    "h": 226.452,
    "s": 63.265,
    "l": 51.961
  },
  "oklch": {
    "l": 0.51455,
    "c": 0.18927,
    "h": 267
  },
  "luminance": 0.12778
}

Semantic roles & 50–950 ramp

primary

#375AD2

secondary

#D4C590

accent

#C141E6

background

#F8F8FD

surface

#F0EFFB

border

#CBCAD4

text

#0C0B15

muted

#7D7C83

Preview Lab

Preview with #375AD2

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

Preview Lab → · Contrast checker → · Palette generator →