#377ABF#377ABF

#377ABF is a mid, vivid cyan. Relative luminance 0.185; OKLCH L 56.9% C 0.127 H 251.6°. Best body text is #000000 at 4.70:1 contrast (WCAG AA passes).

Color values

HEX	#377ABF
RGB	rgb(55, 122, 191)
HSL	hsl(210, 55%, 48%)
HSV	hsv(210, 71%, 75%)
CMYK	cmyk(71.2%, 36.1%, 0%, 25.1%)
CIE-LAB	lab(50.09, 1.93, -42.29)
CIE-LCH	lch(50.09, 42.34, 272.62°)
OKLab	oklab(56.95% -0.04 -0.1202)
OKLCH	oklch(56.95% 0.127 251.6)
XYZ	xyz(17.9355, 18.4909, 51.9040)
Luminance	0.1849 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#377ABF #BF7C37

analogous

#37BEBF #377ABF #3837BF

triadic

#377ABF #BF377A #7ABF37

tetradic

#377ABF #BF37BE #BF7C37 #37BF38

square

#377ABF #BF37BE #BF7C37 #37BF38

split-complementary

#377ABF #BF3837 #BEBF37

monochromatic

#1C3D60 #295C8F #377ABF #6299D2 #91B8DF

Accessibility & contrast

On white

4.47

#377ABF on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

4.70

#377ABF on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #377ABF

4.70:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##377ABF	#FFFFFF	#000000	##000000
##377ABF	1.00	4.47	4.70	4.70
#FFFFFF	4.47	1.00	21.00	21.00
#000000	4.70	21.00	1.00	1.00
##000000	4.70	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#5B7EC2

Deuteranopia (green-blind)

#4771BE

Tritanopia (blue-blind)

#008A93

Achromatopsia (no color)

#777777

Design tokens & code

CSS

--color: #377abf;
/* rgb */ color: rgb(55, 122, 191);
/* oklch */ color: oklch(56.9% 0.127 251.6);

Tailwind

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

SCSS

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

JSON

{
  "hex": "#377abf",
  "rgb": {
    "r": 55,
    "g": 122,
    "b": 191
  },
  "hsl": {
    "h": 210.441,
    "s": 55.285,
    "l": 48.235
  },
  "oklch": {
    "l": 0.56949,
    "c": 0.12673,
    "h": 251.6
  },
  "luminance": 0.18493
}

Semantic roles & 50–950 ramp

primary

#377ABF

secondary

#CAA988

accent

#9549DF

background

#F8F9FC

surface

#EFF2F9

border

#CACCD2

text

#0B0E14

muted

#7C7E82

Preview Lab

Preview with #377ABF

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

Preview Lab → · Contrast checker → · Palette generator →