#377FAE#377FAE

#377FAE is a mid, moderate cyan. Relative luminance 0.190; OKLCH L 57.2% C 0.102 H 240.5°. Best body text is #000000 at 4.81:1 contrast (WCAG AA passes).

Color values

HEX	#377FAE
RGB	rgb(55, 127, 174)
HSL	hsl(204, 52%, 45%)
HSV	hsv(204, 68%, 68%)
CMYK	cmyk(68.4%, 27%, 0%, 31.8%)
CIE-LAB	lab(50.74, -7.06, -31.47)
CIE-LCH	lch(50.74, 32.25, 257.36°)
OKLab	oklab(57.19% -0.0501 -0.0887)
OKLCH	oklch(57.19% 0.102 240.5)
XYZ	xyz(16.8020, 19.0452, 42.8268)
Luminance	0.1905 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#377FAE #AE6637

analogous

#37AEA1 #377FAE #3744AE

triadic

#377FAE #AE377F #7FAE37

tetradic

#377FAE #A137AE #AE6637 #44AE37

square

#377FAE #A137AE #AE6637 #44AE37

split-complementary

#377FAE #AE3744 #AEA137

monochromatic

#1A3B51 #285D7F #377FAE #589DCA #86B8D9

Accessibility & contrast

On white

4.37

#377FAE on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

4.81

#377FAE on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #377FAE

4.81:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##377FAE	#FFFFFF	#000000	##000000
##377FAE	1.00	4.37	4.81	4.81
#FFFFFF	4.37	1.00	21.00	21.00
#000000	4.81	21.00	1.00	1.00
##000000	4.81	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#697FB0

Deuteranopia (green-blind)

#5974AD

Tritanopia (blue-blind)

#008B8F

Achromatopsia (no color)

#797979

Design tokens & code

CSS

--color: #377fae;
/* rgb */ color: rgb(55, 127, 174);
/* oklch */ color: oklch(57.2% 0.102 240.5);

Tailwind

colors: {
  custom: {
    50: '#7ba4c6',
    500: '#377fae',
    950: '#000000',
  },
}

SCSS

$custom: #377fae;
$custom-light: #7ba4c6;
$custom-dark: #000000;

JSON

{
  "hex": "#377fae",
  "rgb": {
    "r": 55,
    "g": 127,
    "b": 174
  },
  "hsl": {
    "h": 203.697,
    "s": 51.965,
    "l": 44.902
  },
  "oklch": {
    "l": 0.57191,
    "c": 0.10185,
    "h": 240.5
  },
  "luminance": 0.19047
}

Semantic roles & 50–950 ramp

primary

#377FAE

secondary

#C3997E

accent

#854CDB

background

#F8FAFC

surface

#EFF3F8

border

#CACDD1

text

#0A0F13

muted

#7C7F82

Preview Lab

Preview with #377FAE

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

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