#377ABE#377ABE

#377ABE is a mid, vivid cyan. Relative luminance 0.184; OKLCH L 56.9% C 0.125 H 251.3°. Best body text is #000000 at 4.69:1 contrast (WCAG AA passes).

Color values

HEX	#377ABE
RGB	rgb(55, 122, 190)
HSL	hsl(210, 55%, 48%)
HSV	hsv(210, 71%, 75%)
CMYK	cmyk(71.1%, 35.8%, 0%, 25.5%)
CIE-LAB	lab(50.03, 1.57, -41.80)
CIE-LCH	lch(50.03, 41.83, 272.16°)
OKLab	oklab(56.89% -0.0403 -0.1188)
OKLCH	oklch(56.89% 0.125 251.3)
XYZ	xyz(17.8259, 18.4471, 51.3264)
Luminance	0.1845 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#377ABE #BE7B37

analogous

#37BDBE #377ABE #3737BE

triadic

#377ABE #BE377A #7ABE37

tetradic

#377ABE #BE37BD #BE7B37 #37BE37

square

#377ABE #BE37BD #BE7B37 #37BE37

split-complementary

#377ABE #BE3737 #BDBE37

monochromatic

#1C3D5F #295C8F #377ABE #6199D1 #90B7DF

Accessibility & contrast

On white

4.48

#377ABE on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

4.69

#377ABE on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #377ABE

4.69:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##377ABE	#FFFFFF	#000000	##000000
##377ABE	1.00	4.48	4.69	4.69
#FFFFFF	4.48	1.00	21.00	21.00
#000000	4.69	21.00	1.00	1.00
##000000	4.69	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#5B7EC1

Deuteranopia (green-blind)

#4871BD

Tritanopia (blue-blind)

#008A93

Achromatopsia (no color)

#777777

Design tokens & code

CSS

--color: #377abe;
/* rgb */ color: rgb(55, 122, 190);
/* oklch */ color: oklch(56.9% 0.125 251.3);

Tailwind

colors: {
  custom: {
    50: '#7ea0d2',
    500: '#377abe',
    950: '#000000',
  },
}

SCSS

$custom: #377abe;
$custom-light: #7ea0d2;
$custom-dark: #000000;

JSON

{
  "hex": "#377abe",
  "rgb": {
    "r": 55,
    "g": 122,
    "b": 190
  },
  "hsl": {
    "h": 210.222,
    "s": 55.102,
    "l": 48.039
  },
  "oklch": {
    "l": 0.56891,
    "c": 0.12546,
    "h": 251.3
  },
  "luminance": 0.18449
}

Semantic roles & 50–950 ramp

primary

#377ABE

secondary

#CAA987

accent

#9449DE

background

#F8F9FC

surface

#EFF2F9

border

#CACCD2

text

#0B0E14

muted

#7C7E82

Preview Lab

Preview with #377ABE

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

Preview Lab → · Contrast checker → · Palette generator →