#277E90#277E90

#277E90 is a mid, moderate cyan. Relative luminance 0.174; OKLCH L 55.0% C 0.084 H 214.5°. Best body text is #FFFFFF at 4.69:1 contrast (WCAG AA passes).

Color values

HEX	#277E90
RGB	rgb(39, 126, 144)
HSL	hsl(190, 57%, 36%)
HSV	hsv(190, 73%, 56%)
CMYK	cmyk(72.9%, 12.5%, 0%, 43.5%)
CIE-LAB	lab(48.72, -19.18, -17.14)
CIE-LCH	lch(48.72, 25.72, 221.79°)
OKLab	oklab(55.03% -0.0694 -0.0478)
OKLCH	oklch(55.03% 0.084 214.5)
XYZ	xyz(13.3295, 17.3651, 29.0294)
Luminance	0.1737 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#277E90 #903927

analogous

#27906D #277E90 #274990

triadic

#277E90 #90277E #7E9027

tetradic

#277E90 #6D2790 #903927 #499027

square

#277E90 #6D2790 #903927 #499027

split-complementary

#277E90 #902749 #906D27

monochromatic

#0D2A30 #1A5460 #277E90 #34A8C0 #5EBFD3

Accessibility & contrast

On white

4.69

#277E90 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.47

#277E90 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #277E90

4.69:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##277E90	#FFFFFF	#000000	##FFFFFF
##277E90	1.00	4.69	4.47	4.69
#FFFFFF	4.69	1.00	21.00	1.00
#000000	4.47	21.00	1.00	21.00
##FFFFFF	4.69	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#717A91

Deuteranopia (green-blind)

#626F90

Tritanopia (blue-blind)

#008584

Achromatopsia (no color)

#747474

Design tokens & code

CSS

--color: #277e90;
/* rgb */ color: rgb(39, 126, 144);
/* oklch */ color: oklch(55.0% 0.084 214.5);

Tailwind

colors: {
  custom: {
    50: '#71a3b0',
    500: '#277e90',
    950: '#000000',
  },
}

SCSS

$custom: #277e90;
$custom-light: #71a3b0;
$custom-dark: #000000;

JSON

{
  "hex": "#277e90",
  "rgb": {
    "r": 39,
    "g": 126,
    "b": 144
  },
  "hsl": {
    "h": 190.286,
    "s": 57.377,
    "l": 35.882
  },
  "oklch": {
    "l": 0.55032,
    "c": 0.08426,
    "h": 214.5
  },
  "luminance": 0.17367
}

Semantic roles & 50–950 ramp

primary

#277E90

secondary

#B96A5A

accent

#6147E1

background

#F7FAFA

surface

#EDF4F4

border

#C8CECE

text

#090F10

muted

#7B7F7F

Preview Lab

Preview with #277E90

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

Preview Lab → · Contrast checker → · Palette generator →