#377FA8#377FA8

#377FA8 is a mid, moderate cyan. Relative luminance 0.188; OKLCH L 56.9% C 0.095 H 236.8°. Best body text is #000000 at 4.76:1 contrast (WCAG AA passes).

Color values

HEX	#377FA8
RGB	rgb(55, 127, 168)
HSL	hsl(202, 51%, 44%)
HSV	hsv(202, 67%, 66%)
CMYK	cmyk(67.3%, 24.4%, 0%, 34.1%)
CIE-LAB	lab(50.47, -9.12, -28.41)
CIE-LCH	lch(50.47, 29.84, 252.20°)
OKLab	oklab(56.89% -0.0522 -0.0798)
OKLCH	oklch(56.89% 0.095 236.8)
XYZ	xyz(16.2301, 18.8164, 39.8148)
Luminance	0.1882 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#377FA8 #A86037

analogous

#37A898 #377FA8 #3746A8

triadic

#377FA8 #A8377F #7FA837

tetradic

#377FA8 #9837A8 #A86037 #46A837

square

#377FA8 #9837A8 #A86037 #46A837

split-complementary

#377FA8 #A83746 #A89837

monochromatic

#19394C #285C7A #377FA8 #559EC7 #83B8D6

Accessibility & contrast

On white

4.41

#377FA8 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

4.76

#377FA8 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #377FA8

4.76:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##377FA8	#FFFFFF	#000000	##000000
##377FA8	1.00	4.41	4.76	4.76
#FFFFFF	4.41	1.00	21.00	21.00
#000000	4.76	21.00	1.00	1.00
##000000	4.76	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#6C7EAA

Deuteranopia (green-blind)

#5C73A7

Tritanopia (blue-blind)

#008A8D

Achromatopsia (no color)

#787878

Design tokens & code

CSS

--color: #377fa8;
/* rgb */ color: rgb(55, 127, 168);
/* oklch */ color: oklch(56.9% 0.095 236.8);

Tailwind

colors: {
  custom: {
    50: '#7aa4c2',
    500: '#377fa8',
    950: '#000000',
  },
}

SCSS

$custom: #377fa8;
$custom-light: #7aa4c2;
$custom-dark: #000000;

JSON

{
  "hex": "#377fa8",
  "rgb": {
    "r": 55,
    "g": 127,
    "b": 168
  },
  "hsl": {
    "h": 201.77,
    "s": 50.673,
    "l": 43.725
  },
  "oklch": {
    "l": 0.5689,
    "c": 0.09537,
    "h": 236.8
  },
  "luminance": 0.18818
}

Semantic roles & 50–950 ramp

primary

#377FA8

secondary

#C0947B

accent

#814EDA

background

#F7FAFB

surface

#EEF4F7

border

#C9CED0

text

#0A0F12

muted

#7C7F81

Preview Lab

Preview with #377FA8

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

Preview Lab → · Contrast checker → · Palette generator →