#277DAE#277DAE

#277DAE is a mid, moderate cyan. Relative luminance 0.182; OKLCH L 56.2% C 0.110 H 238.7°. Best body text is #000000 at 4.63:1 contrast (WCAG AA passes).

Color values

HEX	#277DAE
RGB	rgb(39, 125, 174)
HSL	hsl(202, 63%, 42%)
HSV	hsv(202, 78%, 68%)
CMYK	cmyk(77.6%, 28.2%, 0%, 31.8%)
CIE-LAB	lab(49.68, -8.14, -33.16)
CIE-LCH	lch(49.68, 34.14, 256.20°)
OKLab	oklab(56.22% -0.057 -0.0937)
OKLCH	oklch(56.22% 0.11 238.7)
XYZ	xyz(15.8073, 18.1527, 42.7069)
Luminance	0.1815 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#277DAE #AE5827

analogous

#27AE9C #277DAE #273AAE

triadic

#277DAE #AE277D #7DAE27

tetradic

#277DAE #9C27AE #AE5827 #3AAE27

square

#277DAE #9C27AE #AE5827 #3AAE27

split-complementary

#277DAE #AE273A #AE9C27

monochromatic

#11354A #1C597C #277DAE #3E9ED4 #70B7DF

Accessibility & contrast

On white

4.53

#277DAE on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.63

#277DAE on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #277DAE

4.63:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##277DAE	#FFFFFF	#000000	##000000
##277DAE	1.00	4.53	4.63	4.63
#FFFFFF	4.53	1.00	21.00	21.00
#000000	4.63	21.00	1.00	1.00
##000000	4.63	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#667DB0

Deuteranopia (green-blind)

#5371AD

Tritanopia (blue-blind)

#00898E

Achromatopsia (no color)

#767676

Design tokens & code

CSS

--color: #277dae;
/* rgb */ color: rgb(39, 125, 174);
/* oklch */ color: oklch(56.2% 0.110 238.7);

Tailwind

colors: {
  custom: {
    50: '#76a2c6',
    500: '#277dae',
    950: '#000000',
  },
}

SCSS

$custom: #277dae;
$custom-light: #76a2c6;
$custom-dark: #000000;

JSON

{
  "hex": "#277dae",
  "rgb": {
    "r": 39,
    "g": 125,
    "b": 174
  },
  "hsl": {
    "h": 201.778,
    "s": 63.38,
    "l": 41.765
  },
  "oklch": {
    "l": 0.56223,
    "c": 0.10971,
    "h": 238.7
  },
  "luminance": 0.18155
}

Semantic roles & 50–950 ramp

primary

#277DAE

secondary

#C68C6B

accent

#7D41E6

background

#F7F9FC

surface

#EEF2F8

border

#C9CCD1

text

#0A0F13

muted

#7C7E82

Preview Lab

Preview with #277DAE

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

Preview Lab → · Contrast checker → · Palette generator →