#375AD4#375AD4

#375AD4 is a mid, vivid blue. Relative luminance 0.129; OKLCH L 51.6% C 0.192 H 267.1°. Best body text is #FFFFFF at 5.87:1 contrast (WCAG AA passes).

Color values

HEX	#375AD4
RGB	rgb(55, 90, 212)
HSL	hsl(227, 65%, 52%)
HSV	hsv(227, 74%, 83%)
CMYK	cmyk(74.1%, 57.5%, 0%, 16.9%)
CIE-LAB	lab(42.58, 29.84, -66.42)
CIE-LCH	lch(42.58, 72.81, 294.20°)
OKLab	oklab(51.62% -0.0097 -0.1917)
OKLCH	oklch(51.62% 0.192 267.1)
XYZ	xyz(17.1112, 12.8762, 63.8581)
Luminance	0.1288 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#375AD4 #D4B137

analogous

#37A9D4 #375AD4 #6237D4

triadic

#375AD4 #D4375A #5AD437

tetradic

#375AD4 #D437A9 #D4B137 #37D462

square

#375AD4 #D437A9 #D4B137 #37D462

split-complementary

#375AD4 #D46237 #A9D437

monochromatic

#1A2E77 #2442A9 #375AD4 #6984DF #9CADEA

Accessibility & contrast

On white

5.87

#375AD4 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.58

#375AD4 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #375AD4

5.87:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##375AD4	#FFFFFF	#000000	##FFFFFF
##375AD4	1.00	5.87	3.58	5.87
#FFFFFF	5.87	1.00	21.00	1.00
#000000	3.58	21.00	1.00	21.00
##FFFFFF	5.87	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#006CD8

Deuteranopia (green-blind)

#005DD2

Tritanopia (blue-blind)

#00788E

Achromatopsia (no color)

#646464

Design tokens & code

CSS

--color: #375ad4;
/* rgb */ color: rgb(55, 90, 212);
/* oklch */ color: oklch(51.6% 0.192 267.1);

Tailwind

colors: {
  custom: {
    50: '#8388e2',
    500: '#375ad4',
    950: '#000000',
  },
}

SCSS

$custom: #375ad4;
$custom-light: #8388e2;
$custom-dark: #000000;

JSON

{
  "hex": "#375ad4",
  "rgb": {
    "r": 55,
    "g": 90,
    "b": 212
  },
  "hsl": {
    "h": 226.624,
    "s": 64.609,
    "l": 52.353
  },
  "oklch": {
    "l": 0.51617,
    "c": 0.19191,
    "h": 267.1
  },
  "luminance": 0.12878
}

Semantic roles & 50–950 ramp

primary

#375AD4

secondary

#D6C691

accent

#C240E8

background

#F8F8FE

surface

#F0EFFC

border

#CBCAD5

text

#0C0B15

muted

#7D7C84

Preview Lab

Preview with #375AD4

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

Preview Lab → · Contrast checker → · Palette generator →