#377AB6#377AB6

#377AB6 is a mid, moderate cyan. Relative luminance 0.181; OKLCH L 56.4% C 0.115 H 248.4°. Best body text is #000000 at 4.62:1 contrast (WCAG AA passes).

Color values

HEX	#377AB6
RGB	rgb(55, 122, 182)
HSL	hsl(208, 54%, 46%)
HSV	hsv(208, 70%, 71%)
CMYK	cmyk(69.8%, 33%, 0%, 28.6%)
CIE-LAB	lab(49.63, -1.29, -37.84)
CIE-LCH	lch(49.63, 37.86, 268.05°)
OKLab	oklab(56.44% -0.0425 -0.1072)
OKLCH	oklch(56.44% 0.115 248.4)
XYZ	xyz(16.9754, 18.1069, 46.8472)
Luminance	0.1811 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#377AB6 #B67337

analogous

#37B6B3 #377AB6 #373BB6

triadic

#377AB6 #B6377A #7AB637

tetradic

#377AB6 #B337B6 #B67337 #3BB637

square

#377AB6 #B337B6 #B67337 #3BB637

split-complementary

#377AB6 #B6373B #B6B337

monochromatic

#1B3B58 #295A87 #377AB6 #5C98CE #8BB6DC

Accessibility & contrast

On white

4.54

#377AB6 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.62

#377AB6 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #377AB6

4.62:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##377AB6	#FFFFFF	#000000	##000000
##377AB6	1.00	4.54	4.62	4.62
#FFFFFF	4.54	1.00	21.00	21.00
#000000	4.62	21.00	1.00	1.00
##000000	4.62	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#5F7DB9

Deuteranopia (green-blind)

#4D71B5

Tritanopia (blue-blind)

#008890

Achromatopsia (no color)

#767676

Design tokens & code

CSS

--color: #377ab6;
/* rgb */ color: rgb(55, 122, 182);
/* oklch */ color: oklch(56.4% 0.115 248.4);

Tailwind

colors: {
  custom: {
    50: '#7da0cc',
    500: '#377ab6',
    950: '#000000',
  },
}

SCSS

$custom: #377ab6;
$custom-light: #7da0cc;
$custom-dark: #000000;

JSON

{
  "hex": "#377ab6",
  "rgb": {
    "r": 55,
    "g": 122,
    "b": 182
  },
  "hsl": {
    "h": 208.346,
    "s": 53.586,
    "l": 46.471
  },
  "oklch": {
    "l": 0.56437,
    "c": 0.11535,
    "h": 248.4
  },
  "luminance": 0.18109
}

Semantic roles & 50–950 ramp

primary

#377AB6

secondary

#C6A382

accent

#904BDD

background

#F8F9FC

surface

#EFF2F9

border

#CACCD2

text

#0B0E13

muted

#7C7E82

Preview Lab

Preview with #377AB6

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

Preview Lab → · Contrast checker → · Palette generator →