#377BAF#377BAF

#377BAF is a mid, moderate cyan. Relative luminance 0.181; OKLCH L 56.3% C 0.106 H 244.5°. Best body text is #000000 at 4.61:1 contrast (WCAG AA passes).

Color values

HEX	#377BAF
RGB	rgb(55, 123, 175)
HSL	hsl(206, 52%, 45%)
HSV	hsv(206, 69%, 69%)
CMYK	cmyk(68.6%, 29.7%, 0%, 31.4%)
CIE-LAB	lab(49.58, -4.36, -33.86)
CIE-LCH	lch(49.58, 34.14, 262.66°)
OKLab	oklab(56.29% -0.0456 -0.0956)
OKLCH	oklch(56.29% 0.106 244.5)
XYZ	xyz(16.3934, 18.0715, 43.1733)
Luminance	0.1807 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#377BAF #AF6B37

analogous

#37AFA7 #377BAF #373FAF

triadic

#377BAF #AF377B #7BAF37

tetradic

#377BAF #A737AF #AF6B37 #3FAF37

square

#377BAF #A737AF #AF6B37 #3FAF37

split-complementary

#377BAF #AF373F #AFA737

monochromatic

#1A3A52 #285A80 #377BAF #5999CB #87B6D9

Accessibility & contrast

On white

4.55

#377BAF on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.61

#377BAF on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #377BAF

4.61:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##377BAF	#FFFFFF	#000000	##000000
##377BAF	1.00	4.55	4.61	4.61
#FFFFFF	4.55	1.00	21.00	21.00
#000000	4.61	21.00	1.00	1.00
##000000	4.61	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#647CB1

Deuteranopia (green-blind)

#5371AE

Tritanopia (blue-blind)

#00888D

Achromatopsia (no color)

#767676

Design tokens & code

CSS

--color: #377baf;
/* rgb */ color: rgb(55, 123, 175);
/* oklch */ color: oklch(56.3% 0.106 244.5);

Tailwind

colors: {
  custom: {
    50: '#7ba1c7',
    500: '#377baf',
    950: '#000000',
  },
}

SCSS

$custom: #377baf;
$custom-light: #7ba1c7;
$custom-dark: #000000;

JSON

{
  "hex": "#377baf",
  "rgb": {
    "r": 55,
    "g": 123,
    "b": 175
  },
  "hsl": {
    "h": 206,
    "s": 52.174,
    "l": 45.098
  },
  "oklch": {
    "l": 0.56292,
    "c": 0.10596,
    "h": 244.5
  },
  "luminance": 0.18073
}

Semantic roles & 50–950 ramp

primary

#377BAF

secondary

#C39C7F

accent

#8A4CDC

background

#F8F9FC

surface

#EFF2F8

border

#CACCD1

text

#0A0E13

muted

#7C7E82

Preview Lab

Preview with #377BAF

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

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