#277AAE#277AAE

#277AAE is a mid, moderate cyan. Relative luminance 0.174; OKLCH L 55.5% C 0.112 H 241.1°. Best body text is #FFFFFF at 4.69:1 contrast (WCAG AA passes).

Color values

HEX	#277AAE
RGB	rgb(39, 122, 174)
HSL	hsl(203, 63%, 42%)
HSV	hsv(203, 78%, 68%)
CMYK	cmyk(77.6%, 29.9%, 0%, 31.8%)
CIE-LAB	lab(48.77, -6.39, -34.59)
CIE-LCH	lch(48.77, 35.18, 259.54°)
OKLab	oklab(55.5% -0.0541 -0.0979)
OKLCH	oklch(55.5% 0.112 241.1)
XYZ	xyz(15.4332, 17.4046, 42.5822)
Luminance	0.1741 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#277AAE #AE5B27

analogous

#27AE9F #277AAE #2737AE

triadic

#277AAE #AE277A #7AAE27

tetradic

#277AAE #9F27AE #AE5B27 #37AE27

square

#277AAE #9F27AE #AE5B27 #37AE27

split-complementary

#277AAE #AE2737 #AE9F27

monochromatic

#11344A #1C577C #277AAE #3E9AD4 #70B4DF

Accessibility & contrast

On white

4.69

#277AAE on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.48

#277AAE on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #277AAE

4.69:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##277AAE	#FFFFFF	#000000	##FFFFFF
##277AAE	1.00	4.69	4.48	4.69
#FFFFFF	4.69	1.00	21.00	1.00
#000000	4.48	21.00	1.00	21.00
##FFFFFF	4.69	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#627BB0

Deuteranopia (green-blind)

#4F6EAD

Tritanopia (blue-blind)

#00878C

Achromatopsia (no color)

#747474

Design tokens & code

CSS

--color: #277aae;
/* rgb */ color: rgb(39, 122, 174);
/* oklch */ color: oklch(55.5% 0.112 241.1);

Tailwind

colors: {
  custom: {
    50: '#75a0c6',
    500: '#277aae',
    950: '#000000',
  },
}

SCSS

$custom: #277aae;
$custom-light: #75a0c6;
$custom-dark: #000000;

JSON

{
  "hex": "#277aae",
  "rgb": {
    "r": 39,
    "g": 122,
    "b": 174
  },
  "hsl": {
    "h": 203.111,
    "s": 63.38,
    "l": 41.765
  },
  "oklch": {
    "l": 0.55498,
    "c": 0.11191,
    "h": 241.1
  },
  "luminance": 0.17406
}

Semantic roles & 50–950 ramp

primary

#277AAE

secondary

#C68E6B

accent

#8141E6

background

#F7F9FC

surface

#EEF2F8

border

#C9CCD1

text

#0A0E13

muted

#7C7E82

Preview Lab

Preview with #277AAE

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

Preview Lab → · Contrast checker → · Palette generator →