#277DAA#277DAA

#277DAA is a mid, moderate cyan. Relative luminance 0.180; OKLCH L 56.0% C 0.105 H 236.4°. Best body text is #000000 at 4.60:1 contrast (WCAG AA passes).

Color values

HEX	#277DAA
RGB	rgb(39, 125, 170)
HSL	hsl(201, 63%, 41%)
HSV	hsv(201, 77%, 67%)
CMYK	cmyk(77.1%, 26.5%, 0%, 33.3%)
CIE-LAB	lab(49.49, -9.59, -31.13)
CIE-LCH	lch(49.49, 32.57, 252.88°)
OKLab	oklab(56.02% -0.0584 -0.0878)
OKLCH	oklch(56.02% 0.105 236.4)
XYZ	xyz(15.4231, 17.9990, 40.6837)
Luminance	0.1800 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#277DAA #AA5427

analogous

#27AA95 #277DAA #273BAA

triadic

#277DAA #AA277D #7DAA27

tetradic

#277DAA #9527AA #AA5427 #3BAA27

square

#277DAA #9527AA #AA5427 #3BAA27

split-complementary

#277DAA #AA273B #AA9527

monochromatic

#103446 #1C5878 #277DAA #3C9FD2 #6EB7DE

Accessibility & contrast

On white

4.57

#277DAA on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.60

#277DAA on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #277DAA

4.60:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##277DAA	#FFFFFF	#000000	##000000
##277DAA	1.00	4.57	4.60	4.60
#FFFFFF	4.57	1.00	21.00	21.00
#000000	4.60	21.00	1.00	1.00
##000000	4.60	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#677DAC

Deuteranopia (green-blind)

#5670A9

Tritanopia (blue-blind)

#00898C

Achromatopsia (no color)

#767676

Design tokens & code

CSS

--color: #277daa;
/* rgb */ color: rgb(39, 125, 170);
/* oklch */ color: oklch(56.0% 0.105 236.4);

Tailwind

colors: {
  custom: {
    50: '#75a2c3',
    500: '#277daa',
    950: '#000000',
  },
}

SCSS

$custom: #277daa;
$custom-light: #75a2c3;
$custom-dark: #000000;

JSON

{
  "hex": "#277daa",
  "rgb": {
    "r": 39,
    "g": 125,
    "b": 170
  },
  "hsl": {
    "h": 200.611,
    "s": 62.679,
    "l": 40.98
  },
  "oklch": {
    "l": 0.56015,
    "c": 0.10547,
    "h": 236.4
  },
  "luminance": 0.18001
}

Semantic roles & 50–950 ramp

primary

#277DAA

secondary

#C48869

accent

#7A42E6

background

#F7F9FC

surface

#EEF2F8

border

#C9CCD1

text

#0A0F12

muted

#7C7E81

Preview Lab

Preview with #277DAA

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

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