#375BD4#375BD4

#375BD4 is a mid, vivid blue. Relative luminance 0.130; OKLCH L 51.8% C 0.191 H 266.9°. Best body text is #FFFFFF at 5.82:1 contrast (WCAG AA passes).

Color values

HEX	#375BD4
RGB	rgb(55, 91, 212)
HSL	hsl(226, 65%, 52%)
HSV	hsv(226, 74%, 83%)
CMYK	cmyk(74.1%, 57.1%, 0%, 16.9%)
CIE-LAB	lab(42.83, 29.20, -66.00)
CIE-LCH	lch(42.83, 72.17, 293.87°)
OKLab	oklab(51.81% -0.0104 -0.1904)
OKLCH	oklch(51.81% 0.191 266.9)
XYZ	xyz(17.1961, 13.0460, 63.8864)
Luminance	0.1305 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#375BD4 #D4B037

analogous

#37AAD4 #375BD4 #6237D4

triadic

#375BD4 #D4375B #5BD437

tetradic

#375BD4 #D437AA #D4B037 #37D462

square

#375BD4 #D437AA #D4B037 #37D462

split-complementary

#375BD4 #D46237 #AAD437

monochromatic

#1A2F77 #2443A9 #375BD4 #6984DF #9CAEEA

Accessibility & contrast

On white

5.82

#375BD4 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.61

#375BD4 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #375BD4

5.82:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##375BD4	#FFFFFF	#000000	##FFFFFF
##375BD4	1.00	5.82	3.61	5.82
#FFFFFF	5.82	1.00	21.00	1.00
#000000	3.61	21.00	1.00	21.00
##FFFFFF	5.82	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#006DD8

Deuteranopia (green-blind)

#005ED2

Tritanopia (blue-blind)

#00798F

Achromatopsia (no color)

#656565

Design tokens & code

CSS

--color: #375bd4;
/* rgb */ color: rgb(55, 91, 212);
/* oklch */ color: oklch(51.8% 0.191 266.9);

Tailwind

colors: {
  custom: {
    50: '#8389e2',
    500: '#375bd4',
    950: '#000000',
  },
}

SCSS

$custom: #375bd4;
$custom-light: #8389e2;
$custom-dark: #000000;

JSON

{
  "hex": "#375bd4",
  "rgb": {
    "r": 55,
    "g": 91,
    "b": 212
  },
  "hsl": {
    "h": 226.242,
    "s": 64.609,
    "l": 52.353
  },
  "oklch": {
    "l": 0.51809,
    "c": 0.19071,
    "h": 266.9
  },
  "luminance": 0.13048
}

Semantic roles & 50–950 ramp

primary

#375BD4

secondary

#D6C691

accent

#C140E8

background

#F8F8FE

surface

#F0EFFC

border

#CBCAD5

text

#0C0B15

muted

#7D7C84

Preview Lab

Preview with #375BD4

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

Preview Lab → · Contrast checker → · Palette generator →