#277CAE#277CAE

#277CAE is a mid, moderate cyan. Relative luminance 0.179; OKLCH L 56.0% C 0.110 H 239.5°. Best body text is #000000 at 4.58:1 contrast (WCAG AA passes).

Color values

HEX	#277CAE
RGB	rgb(39, 124, 174)
HSL	hsl(202, 63%, 42%)
HSV	hsv(202, 78%, 68%)
CMYK	cmyk(77.6%, 28.7%, 0%, 31.8%)
CIE-LAB	lab(49.38, -7.56, -33.64)
CIE-LCH	lch(49.38, 34.48, 257.33°)
OKLab	oklab(55.98% -0.056 -0.0951)
OKLCH	oklch(55.98% 0.11 239.5)
XYZ	xyz(15.6813, 17.9008, 42.6649)
Luminance	0.1790 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#277CAE #AE5927

analogous

#27AE9D #277CAE #2739AE

triadic

#277CAE #AE277C #7CAE27

tetradic

#277CAE #9D27AE #AE5927 #39AE27

square

#277CAE #9D27AE #AE5927 #39AE27

split-complementary

#277CAE #AE2739 #AE9D27

monochromatic

#11354A #1C587C #277CAE #3E9CD4 #70B6DF

Accessibility & contrast

On white

4.58

#277CAE on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.58

#277CAE on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #277CAE

4.58:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##277CAE	#FFFFFF	#000000	##000000
##277CAE	1.00	4.58	4.58	4.58
#FFFFFF	4.58	1.00	21.00	21.00
#000000	4.58	21.00	1.00	1.00
##000000	4.58	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#647CB0

Deuteranopia (green-blind)

#5270AD

Tritanopia (blue-blind)

#00898D

Achromatopsia (no color)

#757575

Design tokens & code

CSS

--color: #277cae;
/* rgb */ color: rgb(39, 124, 174);
/* oklch */ color: oklch(56.0% 0.110 239.5);

Tailwind

colors: {
  custom: {
    50: '#75a1c6',
    500: '#277cae',
    950: '#000000',
  },
}

SCSS

$custom: #277cae;
$custom-light: #75a1c6;
$custom-dark: #000000;

JSON

{
  "hex": "#277cae",
  "rgb": {
    "r": 39,
    "g": 124,
    "b": 174
  },
  "hsl": {
    "h": 202.222,
    "s": 63.38,
    "l": 41.765
  },
  "oklch": {
    "l": 0.55981,
    "c": 0.11041,
    "h": 239.5
  },
  "luminance": 0.17903
}

Semantic roles & 50–950 ramp

primary

#277CAE

secondary

#C68D6B

accent

#7F41E6

background

#F7F9FC

surface

#EEF2F8

border

#C9CCD1

text

#0A0F13

muted

#7C7E82

Preview Lab

Preview with #277CAE

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

Preview Lab → · Contrast checker → · Palette generator →