#377DB6#377DB6

#377DB6 is a mid, moderate cyan. Relative luminance 0.189; OKLCH L 57.1% C 0.113 H 246.2°. Best body text is #000000 at 4.77:1 contrast (WCAG AA passes).

Color values

HEX	#377DB6
RGB	rgb(55, 125, 182)
HSL	hsl(207, 54%, 46%)
HSV	hsv(207, 70%, 71%)
CMYK	cmyk(69.8%, 31.3%, 0%, 28.6%)
CIE-LAB	lab(50.52, -3.08, -36.44)
CIE-LCH	lch(50.52, 36.57, 265.17°)
OKLab	oklab(57.14% -0.0455 -0.1031)
OKLCH	oklch(57.14% 0.113 246.2)
XYZ	xyz(17.3495, 18.8550, 46.9719)
Luminance	0.1886 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#377DB6 #B67037

analogous

#37B6B0 #377DB6 #373EB6

triadic

#377DB6 #B6377D #7DB637

tetradic

#377DB6 #B037B6 #B67037 #3EB637

square

#377DB6 #B037B6 #B67037 #3EB637

split-complementary

#377DB6 #B6373E #B6B037

monochromatic

#1B3C58 #295D87 #377DB6 #5C9BCE #8BB8DC

Accessibility & contrast

On white

4.40

#377DB6 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

4.77

#377DB6 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #377DB6

4.77:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##377DB6	#FFFFFF	#000000	##000000
##377DB6	1.00	4.40	4.77	4.77
#FFFFFF	4.40	1.00	21.00	21.00
#000000	4.77	21.00	1.00	1.00
##000000	4.77	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#637FB8

Deuteranopia (green-blind)

#5273B5

Tritanopia (blue-blind)

#008B91

Achromatopsia (no color)

#787878

Design tokens & code

CSS

--color: #377db6;
/* rgb */ color: rgb(55, 125, 182);
/* oklch */ color: oklch(57.1% 0.113 246.2);

Tailwind

colors: {
  custom: {
    50: '#7da2cc',
    500: '#377db6',
    950: '#000000',
  },
}

SCSS

$custom: #377db6;
$custom-light: #7da2cc;
$custom-dark: #000000;

JSON

{
  "hex": "#377db6",
  "rgb": {
    "r": 55,
    "g": 125,
    "b": 182
  },
  "hsl": {
    "h": 206.929,
    "s": 53.586,
    "l": 46.471
  },
  "oklch": {
    "l": 0.57139,
    "c": 0.11271,
    "h": 246.2
  },
  "luminance": 0.18857
}

Semantic roles & 50–950 ramp

primary

#377DB6

secondary

#C6A182

accent

#8C4BDD

background

#F8F9FC

surface

#EFF2F8

border

#CACCD1

text

#0B0F13

muted

#7C7E82

Preview Lab

Preview with #377DB6

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

Preview Lab → · Contrast checker → · Palette generator →