#376EE5#376EE5

#376EE5 is a mid, vivid blue. Relative luminance 0.176; OKLCH L 56.9% C 0.190 H 263.1°. Best body text is #FFFFFF at 4.64:1 contrast (WCAG AA passes).

Color values

HEX	#376EE5
RGB	rgb(55, 110, 229)
HSL	hsl(221, 77%, 56%)
HSV	hsv(221, 76%, 90%)
CMYK	cmyk(76%, 52%, 0%, 10.2%)
CIE-LAB	lab(49.03, 23.35, -65.59)
CIE-LCH	lch(49.03, 69.63, 289.59°)
OKLab	oklab(56.87% -0.023 -0.1889)
OKLCH	oklch(56.87% 0.19 263.1)
XYZ	xyz(21.2893, 17.6188, 76.3923)
Luminance	0.1762 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#376EE5 #E5AE37

analogous

#37C5E5 #376EE5 #5737E5

triadic

#376EE5 #E5376E #6EE537

tetradic

#376EE5 #E537C5 #E5AE37 #37E557

square

#376EE5 #E537C5 #E5AE37 #37E557

split-complementary

#376EE5 #E55737 #C5E537

monochromatic

#133A8F #1A50C5 #376EE5 #6D95EC #A3BDF3

Accessibility & contrast

On white

4.64

#376EE5 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.52

#376EE5 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#FFFFFF on #376EE5

4.64:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##376EE5	#FFFFFF	#000000	##FFFFFF
##376EE5	1.00	4.64	4.52	4.64
#FFFFFF	4.64	1.00	21.00	1.00
#000000	4.52	21.00	1.00	21.00
##FFFFFF	4.64	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#187DE9

Deuteranopia (green-blind)

#006DE3

Tritanopia (blue-blind)

#008B9F

Achromatopsia (no color)

#747474

Design tokens & code

CSS

--color: #376ee5;
/* rgb */ color: rgb(55, 110, 229);
/* oklch */ color: oklch(56.9% 0.190 263.1);

Tailwind

colors: {
  custom: {
    50: '#8696ee',
    500: '#376ee5',
    950: '#000000',
  },
}

SCSS

$custom: #376ee5;
$custom-light: #8696ee;
$custom-dark: #000000;

JSON

{
  "hex": "#376ee5",
  "rgb": {
    "r": 55,
    "g": 110,
    "b": 229
  },
  "hsl": {
    "h": 221.034,
    "s": 76.991,
    "l": 55.686
  },
  "oklch": {
    "l": 0.56874,
    "c": 0.19031,
    "h": 263.1
  },
  "luminance": 0.17621
}

Semantic roles & 50–950 ramp

primary

#376EE5

secondary

#E0C998

accent

#B734F4

background

#F9F9FE

surface

#F1F1FD

border

#CBCBD5

text

#0D0D16

muted

#7E7E84

Preview Lab

Preview with #376EE5

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

Preview Lab → · Contrast checker → · Palette generator →