#277FAE#277FAE

#277FAE is a mid, moderate cyan. Relative luminance 0.187; OKLCH L 56.7% C 0.108 H 237.1°. Best body text is #000000 at 4.73:1 contrast (WCAG AA passes).

Color values

HEX	#277FAE
RGB	rgb(39, 127, 174)
HSL	hsl(201, 63%, 42%)
HSV	hsv(201, 78%, 68%)
CMYK	cmyk(77.6%, 27%, 0%, 31.8%)
CIE-LAB	lab(50.29, -9.30, -32.20)
CIE-LCH	lch(50.29, 33.52, 253.89°)
OKLab	oklab(56.71% -0.0589 -0.0909)
OKLCH	oklch(56.71% 0.108 237.1)
XYZ	xyz(16.0630, 18.6641, 42.7921)
Luminance	0.1867 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#277FAE #AE5627

analogous

#27AE9A #277FAE #273CAE

triadic

#277FAE #AE277F #7FAE27

tetradic

#277FAE #9A27AE #AE5627 #3CAE27

square

#277FAE #9A27AE #AE5627 #3CAE27

split-complementary

#277FAE #AE273C #AE9A27

monochromatic

#11364A #1C5B7C #277FAE #3EA0D4 #70B9DF

Accessibility & contrast

On white

4.44

#277FAE on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

4.73

#277FAE on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #277FAE

4.73:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##277FAE	#FFFFFF	#000000	##000000
##277FAE	1.00	4.44	4.73	4.73
#FFFFFF	4.44	1.00	21.00	21.00
#000000	4.73	21.00	1.00	1.00
##000000	4.73	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#687FB0

Deuteranopia (green-blind)

#5672AD

Tritanopia (blue-blind)

#008B8F

Achromatopsia (no color)

#787878

Design tokens & code

CSS

--color: #277fae;
/* rgb */ color: rgb(39, 127, 174);
/* oklch */ color: oklch(56.7% 0.108 237.1);

Tailwind

colors: {
  custom: {
    50: '#76a4c6',
    500: '#277fae',
    950: '#000000',
  },
}

SCSS

$custom: #277fae;
$custom-light: #76a4c6;
$custom-dark: #000000;

JSON

{
  "hex": "#277fae",
  "rgb": {
    "r": 39,
    "g": 127,
    "b": 174
  },
  "hsl": {
    "h": 200.889,
    "s": 63.38,
    "l": 41.765
  },
  "oklch": {
    "l": 0.56709,
    "c": 0.10837,
    "h": 237.1
  },
  "luminance": 0.18666
}

Semantic roles & 50–950 ramp

primary

#277FAE

secondary

#C68B6B

accent

#7B41E6

background

#F7FAFC

surface

#EEF3F8

border

#C9CDD1

text

#0A0F13

muted

#7C7F82

Preview Lab

Preview with #277FAE

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

Preview Lab → · Contrast checker → · Palette generator →