#376CBB#376CBB

#376CBB is a mid, vivid blue. Relative luminance 0.151; OKLCH L 53.5% C 0.136 H 258.3°. Best body text is #FFFFFF at 5.22:1 contrast (WCAG AA passes).

Color values

HEX	#376CBB
RGB	rgb(55, 108, 187)
HSL	hsl(216, 55%, 47%)
HSV	hsv(216, 71%, 73%)
CMYK	cmyk(70.6%, 42.2%, 0%, 26.7%)
CIE-LAB	lab(45.80, 9.14, -46.80)
CIE-LCH	lch(45.80, 47.68, 281.05°)
OKLab	oklab(53.54% -0.0276 -0.1337)
OKLCH	oklch(53.54% 0.136 258.3)
XYZ	xyz(15.9045, 15.1235, 49.0850)
Luminance	0.1512 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#376CBB #BB8637

analogous

#37AEBB #376CBB #4437BB

triadic

#376CBB #BB376C #6CBB37

tetradic

#376CBB #BB37AE #BB8637 #37BB44

square

#376CBB #BB37AE #BB8637 #37BB44

split-complementary

#376CBB #BB4437 #AEBB37

monochromatic

#1B355C #29518C #376CBB #5F8CD0 #8EAEDE

Accessibility & contrast

On white

5.22

#376CBB on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.02

#376CBB on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #376CBB

5.22:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##376CBB	#FFFFFF	#000000	##FFFFFF
##376CBB	1.00	5.22	4.02	5.22
#FFFFFF	5.22	1.00	21.00	1.00
#000000	4.02	21.00	1.00	21.00
##FFFFFF	5.22	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#4673BE

Deuteranopia (green-blind)

#3067B9

Tritanopia (blue-blind)

#007E8A

Achromatopsia (no color)

#6C6C6C

Design tokens & code

CSS

--color: #376cbb;
/* rgb */ color: rgb(55, 108, 187);
/* oklch */ color: oklch(53.5% 0.136 258.3);

Tailwind

colors: {
  custom: {
    50: '#7d95d0',
    500: '#376cbb',
    950: '#000000',
  },
}

SCSS

$custom: #376cbb;
$custom-light: #7d95d0;
$custom-dark: #000000;

JSON

{
  "hex": "#376cbb",
  "rgb": {
    "r": 55,
    "g": 108,
    "b": 187
  },
  "hsl": {
    "h": 215.909,
    "s": 54.545,
    "l": 47.451
  },
  "oklch": {
    "l": 0.53541,
    "c": 0.13648,
    "h": 258.3
  },
  "luminance": 0.15125
}

Semantic roles & 50–950 ramp

primary

#376CBB

secondary

#C9AE85

accent

#A24ADE

background

#F8F9FC

surface

#EFF1F9

border

#CACBD2

text

#0B0D14

muted

#7C7E82

Preview Lab

Preview with #376CBB

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

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