#376CB3#376CB3

#376CB3 is a mid, vivid cyan. Relative luminance 0.148; OKLCH L 53.0% C 0.126 H 256.5°. Best body text is #FFFFFF at 5.31:1 contrast (WCAG AA passes).

Color values

HEX	#376CB3
RGB	rgb(55, 108, 179)
HSL	hsl(214, 53%, 46%)
HSV	hsv(214, 69%, 70%)
CMYK	cmyk(69.3%, 39.7%, 0%, 29.8%)
CIE-LAB	lab(45.35, 6.21, -42.87)
CIE-LCH	lch(45.35, 43.32, 278.24°)
OKLab	oklab(53.04% -0.0294 -0.1221)
OKLCH	oklch(53.04% 0.126 256.5)
XYZ	xyz(15.0718, 14.7905, 44.6996)
Luminance	0.1479 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#376CB3 #B37E37

analogous

#37AAB3 #376CB3 #4037B3

triadic

#376CB3 #B3376C #6CB337

tetradic

#376CB3 #B337AA #B37E37 #37B340

square

#376CB3 #B337AA #B37E37 #37B340

split-complementary

#376CB3 #B34037 #AAB337

monochromatic

#1A3455 #295084 #376CB3 #5B8BCD #8AACDB

Accessibility & contrast

On white

5.31

#376CB3 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.96

#376CB3 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #376CB3

5.31:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##376CB3	#FFFFFF	#000000	##FFFFFF
##376CB3	1.00	5.31	3.96	5.31
#FFFFFF	5.31	1.00	21.00	1.00
#000000	3.96	21.00	1.00	21.00
##FFFFFF	5.31	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#4B72B6

Deuteranopia (green-blind)

#3966B2

Tritanopia (blue-blind)

#007C87

Achromatopsia (no color)

#6B6B6B

Design tokens & code

CSS

--color: #376cb3;
/* rgb */ color: rgb(55, 108, 179);
/* oklch */ color: oklch(53.0% 0.126 256.5);

Tailwind

colors: {
  custom: {
    50: '#7c95ca',
    500: '#376cb3',
    950: '#000000',
  },
}

SCSS

$custom: #376cb3;
$custom-light: #7c95ca;
$custom-dark: #000000;

JSON

{
  "hex": "#376cb3",
  "rgb": {
    "r": 55,
    "g": 108,
    "b": 179
  },
  "hsl": {
    "h": 214.355,
    "s": 52.991,
    "l": 45.882
  },
  "oklch": {
    "l": 0.53038,
    "c": 0.12563,
    "h": 256.5
  },
  "luminance": 0.14792
}

Semantic roles & 50–950 ramp

primary

#376CB3

secondary

#C5A881

accent

#9E4BDC

background

#F8F9FC

surface

#EFF1F8

border

#CACBD1

text

#0B0D13

muted

#7C7E82

Preview Lab

Preview with #376CB3

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

Preview Lab → · Contrast checker → · Palette generator →