#277FAF#277FAF

#277FAF is a mid, moderate cyan. Relative luminance 0.187; OKLCH L 56.8% C 0.109 H 237.6°. Best body text is #000000 at 4.74:1 contrast (WCAG AA passes).

Color values

HEX	#277FAF
RGB	rgb(39, 127, 175)
HSL	hsl(201, 64%, 42%)
HSV	hsv(201, 78%, 69%)
CMYK	cmyk(77.7%, 27.4%, 0%, 31.4%)
CIE-LAB	lab(50.34, -8.94, -32.71)
CIE-LCH	lch(50.34, 33.91, 254.71°)
OKLab	oklab(56.76% -0.0586 -0.0924)
OKLCH	oklch(56.76% 0.109 237.6)
XYZ	xyz(16.1609, 18.7033, 43.3075)
Luminance	0.1870 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#277FAF #AF5727

analogous

#27AF9B #277FAF #273BAF

triadic

#277FAF #AF277F #7FAF27

tetradic

#277FAF #9B27AF #AF5727 #3BAF27

square

#277FAF #9B27AF #AF5727 #3BAF27

split-complementary

#277FAF #AF273B #AF9B27

monochromatic

#11364B #1C5B7D #277FAF #3FA0D4 #71B8DF

Accessibility & contrast

On white

4.43

#277FAF on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

4.74

#277FAF on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #277FAF

4.74:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##277FAF	#FFFFFF	#000000	##000000
##277FAF	1.00	4.43	4.74	4.74
#FFFFFF	4.43	1.00	21.00	21.00
#000000	4.74	21.00	1.00	1.00
##000000	4.74	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#687FB1

Deuteranopia (green-blind)

#5672AE

Tritanopia (blue-blind)

#008B90

Achromatopsia (no color)

#787878

Design tokens & code

CSS

--color: #277faf;
/* rgb */ color: rgb(39, 127, 175);
/* oklch */ color: oklch(56.8% 0.109 237.6);

Tailwind

colors: {
  custom: {
    50: '#76a4c7',
    500: '#277faf',
    950: '#000000',
  },
}

SCSS

$custom: #277faf;
$custom-light: #76a4c7;
$custom-dark: #000000;

JSON

{
  "hex": "#277faf",
  "rgb": {
    "r": 39,
    "g": 127,
    "b": 175
  },
  "hsl": {
    "h": 201.176,
    "s": 63.551,
    "l": 41.961
  },
  "oklch": {
    "l": 0.56761,
    "c": 0.10942,
    "h": 237.6
  },
  "luminance": 0.18705
}

Semantic roles & 50–950 ramp

primary

#277FAF

secondary

#C68C6B

accent

#7C41E7

background

#F7FAFC

surface

#EEF3F8

border

#C9CDD1

text

#0A0F13

muted

#7C7F82

Preview Lab

Preview with #277FAF

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

Preview Lab → · Contrast checker → · Palette generator →