#377ABD#377ABD

#377ABD is a mid, vivid cyan. Relative luminance 0.184; OKLCH L 56.8% C 0.124 H 250.9°. Best body text is #000000 at 4.68:1 contrast (WCAG AA passes).

Color values

HEX	#377ABD
RGB	rgb(55, 122, 189)
HSL	hsl(210, 55%, 48%)
HSV	hsv(210, 71%, 74%)
CMYK	cmyk(70.9%, 35.4%, 0%, 25.9%)
CIE-LAB	lab(49.98, 1.21, -41.31)
CIE-LCH	lch(49.98, 41.33, 271.68°)
OKLab	oklab(56.83% -0.0405 -0.1174)
OKLCH	oklch(56.83% 0.124 250.9)
XYZ	xyz(17.7170, 18.4035, 50.7528)
Luminance	0.1840 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#377ABD #BD7A37

analogous

#37BDBD #377ABD #3737BD

triadic

#377ABD #BD377A #7ABD37

tetradic

#377ABD #BD37BD #BD7A37 #37BD37

square

#377ABD #BD37BD #BD7A37 #37BD37

split-complementary

#377ABD #BD3737 #BDBD37

monochromatic

#1B3D5E #295B8E #377ABD #6099D1 #90B7DF

Accessibility & contrast

On white

4.49

#377ABD on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

4.68

#377ABD on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #377ABD

4.68:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##377ABD	#FFFFFF	#000000	##000000
##377ABD	1.00	4.49	4.68	4.68
#FFFFFF	4.49	1.00	21.00	21.00
#000000	4.68	21.00	1.00	1.00
##000000	4.68	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#5C7EC0

Deuteranopia (green-blind)

#4871BC

Tritanopia (blue-blind)

#008A92

Achromatopsia (no color)

#777777

Design tokens & code

CSS

--color: #377abd;
/* rgb */ color: rgb(55, 122, 189);
/* oklch */ color: oklch(56.8% 0.124 250.9);

Tailwind

colors: {
  custom: {
    50: '#7ea0d1',
    500: '#377abd',
    950: '#000000',
  },
}

SCSS

$custom: #377abd;
$custom-light: #7ea0d1;
$custom-dark: #000000;

JSON

{
  "hex": "#377abd",
  "rgb": {
    "r": 55,
    "g": 122,
    "b": 189
  },
  "hsl": {
    "h": 210,
    "s": 54.918,
    "l": 47.843
  },
  "oklch": {
    "l": 0.56834,
    "c": 0.12418,
    "h": 250.9
  },
  "luminance": 0.18405
}

Semantic roles & 50–950 ramp

primary

#377ABD

secondary

#C9A886

accent

#944ADE

background

#F8F9FC

surface

#EFF2F9

border

#CACCD2

text

#0B0E14

muted

#7C7E82

Preview Lab

Preview with #377ABD

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

Preview Lab → · Contrast checker → · Palette generator →