#377BA2#377BA2

#377BA2 is a mid, moderate cyan. Relative luminance 0.176; OKLCH L 55.6% C 0.091 H 236.8°. Best body text is #FFFFFF at 4.65:1 contrast (WCAG AA passes).

Color values

HEX	#377BA2
RGB	rgb(55, 123, 162)
HSL	hsl(202, 49%, 43%)
HSV	hsv(202, 66%, 64%)
CMYK	cmyk(66%, 24.1%, 0%, 36.5%)
CIE-LAB	lab(48.99, -8.86, -27.23)
CIE-LCH	lch(48.99, 28.63, 251.97°)
OKLab	oklab(55.63% -0.05 -0.0764)
OKLCH	oklch(55.63% 0.091 236.8)
XYZ	xyz(15.1776, 17.5852, 36.7698)
Luminance	0.1759 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#377BA2 #A25E37

analogous

#37A293 #377BA2 #3746A2

triadic

#377BA2 #A2377B #7BA237

tetradic

#377BA2 #9337A2 #A25E37 #46A237

square

#377BA2 #9337A2 #A25E37 #46A237

split-complementary

#377BA2 #A23746 #A29337

monochromatic

#183647 #275874 #377BA2 #529BC4 #80B5D4

Accessibility & contrast

On white

4.65

#377BA2 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.52

#377BA2 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#FFFFFF on #377BA2

4.65:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##377BA2	#FFFFFF	#000000	##FFFFFF
##377BA2	1.00	4.65	4.52	4.65
#FFFFFF	4.65	1.00	21.00	1.00
#000000	4.52	21.00	1.00	21.00
##FFFFFF	4.65	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#697AA4

Deuteranopia (green-blind)

#5A70A1

Tritanopia (blue-blind)

#008588

Achromatopsia (no color)

#747474

Design tokens & code

CSS

--color: #377ba2;
/* rgb */ color: rgb(55, 123, 162);
/* oklch */ color: oklch(55.6% 0.091 236.8);

Tailwind

colors: {
  custom: {
    50: '#79a1bd',
    500: '#377ba2',
    950: '#000000',
  },
}

SCSS

$custom: #377ba2;
$custom-light: #79a1bd;
$custom-dark: #000000;

JSON

{
  "hex": "#377ba2",
  "rgb": {
    "r": 55,
    "g": 123,
    "b": 162
  },
  "hsl": {
    "h": 201.869,
    "s": 49.309,
    "l": 42.549
  },
  "oklch": {
    "l": 0.55626,
    "c": 0.09133,
    "h": 236.8
  },
  "luminance": 0.17587
}

Semantic roles & 50–950 ramp

primary

#377BA2

secondary

#BD9178

accent

#814FD9

background

#F7F9FB

surface

#EEF2F6

border

#C9CCD0

text

#0A0E12

muted

#7C7E81

Preview Lab

Preview with #377BA2

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

Preview Lab → · Contrast checker → · Palette generator →