#377EAF#377EAF

#377EAF is a mid, moderate cyan. Relative luminance 0.188; OKLCH L 57.0% C 0.104 H 242.0°. Best body text is #000000 at 4.77:1 contrast (WCAG AA passes).

Color values

HEX	#377EAF
RGB	rgb(55, 126, 175)
HSL	hsl(205, 52%, 45%)
HSV	hsv(205, 69%, 69%)
CMYK	cmyk(68.6%, 28%, 0%, 31.4%)
CIE-LAB	lab(50.48, -6.13, -32.45)
CIE-LCH	lch(50.48, 33.02, 259.31°)
OKLab	oklab(57% -0.0487 -0.0915)
OKLCH	oklch(57% 0.104 242)
XYZ	xyz(16.7713, 18.8273, 43.2993)
Luminance	0.1883 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#377EAF #AF6837

analogous

#37AFA4 #377EAF #3742AF

triadic

#377EAF #AF377E #7EAF37

tetradic

#377EAF #A437AF #AF6837 #42AF37

square

#377EAF #A437AF #AF6837 #42AF37

split-complementary

#377EAF #AF3742 #AFA437

monochromatic

#1A3B52 #285C80 #377EAF #599CCB #87B8D9

Accessibility & contrast

On white

4.41

#377EAF on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

4.77

#377EAF on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #377EAF

4.77:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##377EAF	#FFFFFF	#000000	##000000
##377EAF	1.00	4.41	4.77	4.77
#FFFFFF	4.41	1.00	21.00	21.00
#000000	4.77	21.00	1.00	1.00
##000000	4.77	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#687FB1

Deuteranopia (green-blind)

#5773AE

Tritanopia (blue-blind)

#008A8F

Achromatopsia (no color)

#787878

Design tokens & code

CSS

--color: #377eaf;
/* rgb */ color: rgb(55, 126, 175);
/* oklch */ color: oklch(57.0% 0.104 242.0);

Tailwind

colors: {
  custom: {
    50: '#7ca3c7',
    500: '#377eaf',
    950: '#000000',
  },
}

SCSS

$custom: #377eaf;
$custom-light: #7ca3c7;
$custom-dark: #000000;

JSON

{
  "hex": "#377eaf",
  "rgb": {
    "r": 55,
    "g": 126,
    "b": 175
  },
  "hsl": {
    "h": 204.5,
    "s": 52.174,
    "l": 45.098
  },
  "oklch": {
    "l": 0.57004,
    "c": 0.10368,
    "h": 242
  },
  "luminance": 0.18829
}

Semantic roles & 50–950 ramp

primary

#377EAF

secondary

#C39B7F

accent

#874CDC

background

#F8FAFC

surface

#EFF3F8

border

#CACDD1

text

#0A0F13

muted

#7C7F82

Preview Lab

Preview with #377EAF

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

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