#376EB3#376EB3

#376EB3 is a mid, vivid cyan. Relative luminance 0.152; OKLCH L 53.5% C 0.123 H 255.3°. Best body text is #FFFFFF at 5.19:1 contrast (WCAG AA passes).

Color values

HEX	#376EB3
RGB	rgb(55, 110, 179)
HSL	hsl(213, 53%, 46%)
HSV	hsv(213, 69%, 70%)
CMYK	cmyk(69.3%, 38.5%, 0%, 29.8%)
CIE-LAB	lab(45.93, 4.96, -41.95)
CIE-LCH	lch(45.93, 42.24, 276.75°)
OKLab	oklab(53.49% -0.0314 -0.1194)
OKLCH	oklch(53.49% 0.123 255.3)
XYZ	xyz(15.2852, 15.2172, 44.7707)
Luminance	0.1522 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#376EB3 #B37C37

analogous

#37ACB3 #376EB3 #3E37B3

triadic

#376EB3 #B3376E #6EB337

tetradic

#376EB3 #B337AC #B37C37 #37B33E

square

#376EB3 #B337AC #B37C37 #37B33E

split-complementary

#376EB3 #B33E37 #ACB337

monochromatic

#1A3455 #295184 #376EB3 #5B8DCD #8AAEDB

Accessibility & contrast

On white

5.19

#376EB3 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.04

#376EB3 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #376EB3

5.19:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##376EB3	#FFFFFF	#000000	##FFFFFF
##376EB3	1.00	5.19	4.04	5.19
#FFFFFF	5.19	1.00	21.00	1.00
#000000	4.04	21.00	1.00	21.00
##FFFFFF	5.19	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#4F73B6

Deuteranopia (green-blind)

#3C67B2

Tritanopia (blue-blind)

#007E88

Achromatopsia (no color)

#6D6D6D

Design tokens & code

CSS

--color: #376eb3;
/* rgb */ color: rgb(55, 110, 179);
/* oklch */ color: oklch(53.5% 0.123 255.3);

Tailwind

colors: {
  custom: {
    50: '#7c97ca',
    500: '#376eb3',
    950: '#000000',
  },
}

SCSS

$custom: #376eb3;
$custom-light: #7c97ca;
$custom-dark: #000000;

JSON

{
  "hex": "#376eb3",
  "rgb": {
    "r": 55,
    "g": 110,
    "b": 179
  },
  "hsl": {
    "h": 213.387,
    "s": 52.991,
    "l": 45.882
  },
  "oklch": {
    "l": 0.53493,
    "c": 0.12345,
    "h": 255.3
  },
  "luminance": 0.15219
}

Semantic roles & 50–950 ramp

primary

#376EB3

secondary

#C5A781

accent

#9C4BDC

background

#F8F9FC

surface

#EFF2F8

border

#CACCD1

text

#0B0D13

muted

#7C7E82

Preview Lab

Preview with #376EB3

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

Preview Lab → · Contrast checker → · Palette generator →