#277A8B#277A8B

#277A8B is a mid, moderate cyan. Relative luminance 0.162; OKLCH L 53.8% C 0.081 H 214.2°. Best body text is #FFFFFF at 4.95:1 contrast (WCAG AA passes).

Color values

HEX	#277A8B
RGB	rgb(39, 122, 139)
HSL	hsl(190, 56%, 35%)
HSV	hsv(190, 72%, 55%)
CMYK	cmyk(71.9%, 12.2%, 0%, 45.5%)
CIE-LAB	lab(47.25, -18.68, -16.43)
CIE-LCH	lch(47.25, 24.88, 221.33°)
OKLab	oklab(53.79% -0.0673 -0.0457)
OKLCH	oklch(53.79% 0.081 214.2)
XYZ	xyz(12.4545, 16.2131, 26.8941)
Luminance	0.1621 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#277A8B #8B3827

analogous

#278B6A #277A8B #27488B

triadic

#277A8B #8B277A #7A8B27

tetradic

#277A8B #6A278B #8B3827 #488B27

square

#277A8B #6A278B #8B3827 #488B27

split-complementary

#277A8B #8B2748 #8B6A27

monochromatic

#0C262B #1A505B #277A8B #34A4BB #5BBDD1

Accessibility & contrast

On white

4.95

#277A8B on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.24

#277A8B on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #277A8B

4.95:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##277A8B	#FFFFFF	#000000	##FFFFFF
##277A8B	1.00	4.95	4.24	4.95
#FFFFFF	4.95	1.00	21.00	1.00
#000000	4.24	21.00	1.00	21.00
##FFFFFF	4.95	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#6E768C

Deuteranopia (green-blind)

#606C8B

Tritanopia (blue-blind)

#00807F

Achromatopsia (no color)

#707070

Design tokens & code

CSS

--color: #277a8b;
/* rgb */ color: rgb(39, 122, 139);
/* oklch */ color: oklch(53.8% 0.081 214.2);

Tailwind

colors: {
  custom: {
    50: '#70a0ad',
    500: '#277a8b',
    950: '#000000',
  },
}

SCSS

$custom: #277a8b;
$custom-light: #70a0ad;
$custom-dark: #000000;

JSON

{
  "hex": "#277a8b",
  "rgb": {
    "r": 39,
    "g": 122,
    "b": 139
  },
  "hsl": {
    "h": 190.2,
    "s": 56.18,
    "l": 34.902
  },
  "oklch": {
    "l": 0.53791,
    "c": 0.08137,
    "h": 214.2
  },
  "luminance": 0.16214
}

Semantic roles & 50–950 ramp

primary

#277A8B

secondary

#B66858

accent

#6248DF

background

#F7F9FA

surface

#EDF2F4

border

#C8CCCE

text

#080E10

muted

#7B7E7F

Preview Lab

Preview with #277A8B

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

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