#277DAF#277DAF

#277DAF is a mid, moderate cyan. Relative luminance 0.182; OKLCH L 56.3% C 0.111 H 239.2°. Best body text is #000000 at 4.64:1 contrast (WCAG AA passes).

Color values

HEX	#277DAF
RGB	rgb(39, 125, 175)
HSL	hsl(202, 64%, 42%)
HSV	hsv(202, 78%, 69%)
CMYK	cmyk(77.7%, 28.6%, 0%, 31.4%)
CIE-LAB	lab(49.73, -7.78, -33.66)
CIE-LCH	lch(49.73, 34.55, 256.99°)
OKLab	oklab(56.28% -0.0567 -0.0952)
OKLCH	oklch(56.28% 0.111 239.2)
XYZ	xyz(15.9051, 18.1918, 43.2222)
Luminance	0.1819 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#277DAF #AF5927

analogous

#27AF9D #277DAF #2739AF

triadic

#277DAF #AF277D #7DAF27

tetradic

#277DAF #9D27AF #AF5927 #39AF27

square

#277DAF #9D27AF #AF5927 #39AF27

split-complementary

#277DAF #AF2739 #AF9D27

monochromatic

#11364B #1C597D #277DAF #3F9DD4 #71B7DF

Accessibility & contrast

On white

4.53

#277DAF on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.64

#277DAF on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #277DAF

4.64:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##277DAF	#FFFFFF	#000000	##000000
##277DAF	1.00	4.53	4.64	4.64
#FFFFFF	4.53	1.00	21.00	21.00
#000000	4.64	21.00	1.00	1.00
##000000	4.64	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#657DB1

Deuteranopia (green-blind)

#5371AE

Tritanopia (blue-blind)

#008A8E

Achromatopsia (no color)

#767676

Design tokens & code

CSS

--color: #277daf;
/* rgb */ color: rgb(39, 125, 175);
/* oklch */ color: oklch(56.3% 0.111 239.2);

Tailwind

colors: {
  custom: {
    50: '#76a2c7',
    500: '#277daf',
    950: '#000000',
  },
}

SCSS

$custom: #277daf;
$custom-light: #76a2c7;
$custom-dark: #000000;

JSON

{
  "hex": "#277daf",
  "rgb": {
    "r": 39,
    "g": 125,
    "b": 175
  },
  "hsl": {
    "h": 202.059,
    "s": 63.551,
    "l": 41.961
  },
  "oklch": {
    "l": 0.56276,
    "c": 0.1108,
    "h": 239.2
  },
  "luminance": 0.18194
}

Semantic roles & 50–950 ramp

primary

#277DAF

secondary

#C68D6B

accent

#7E41E7

background

#F7F9FC

surface

#EEF2F8

border

#C9CCD1

text

#0A0F13

muted

#7C7E82

Preview Lab

Preview with #277DAF

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

Preview Lab → · Contrast checker → · Palette generator →