#277FA7#277FA7

#277FA7 is a mid, moderate cyan. Relative luminance 0.184; OKLCH L 56.4% C 0.101 H 232.7°. Best body text is #000000 at 4.68:1 contrast (WCAG AA passes).

Color values

HEX	#277FA7
RGB	rgb(39, 127, 167)
HSL	hsl(199, 62%, 40%)
HSV	hsv(199, 77%, 65%)
CMYK	cmyk(76.6%, 24%, 0%, 34.5%)
CIE-LAB	lab(49.98, -11.81, -28.64)
CIE-LCH	lch(49.98, 30.98, 247.60°)
OKLab	oklab(56.35% -0.0614 -0.0806)
OKLCH	oklch(56.35% 0.101 232.7)
XYZ	xyz(15.3983, 18.3983, 39.2914)
Luminance	0.1840 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#277FA7 #A74F27

analogous

#27A78F #277FA7 #273FA7

triadic

#277FA7 #A7277F #7FA727

tetradic

#277FA7 #8F27A7 #A74F27 #3FA727

square

#277FA7 #8F27A7 #A74F27 #3FA727

split-complementary

#277FA7 #A7273F #A78F27

monochromatic

#103444 #1B5975 #277FA7 #3AA2D1 #6CB9DD

Accessibility & contrast

On white

4.49

#277FA7 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

4.68

#277FA7 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #277FA7

4.68:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##277FA7	#FFFFFF	#000000	##000000
##277FA7	1.00	4.49	4.68	4.68
#FFFFFF	4.49	1.00	21.00	21.00
#000000	4.68	21.00	1.00	1.00
##000000	4.68	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#6B7EA9

Deuteranopia (green-blind)

#5A72A6

Tritanopia (blue-blind)

#008A8C

Achromatopsia (no color)

#777777

Design tokens & code

CSS

--color: #277fa7;
/* rgb */ color: rgb(39, 127, 167);
/* oklch */ color: oklch(56.4% 0.101 232.7);

Tailwind

colors: {
  custom: {
    50: '#74a4c1',
    500: '#277fa7',
    950: '#000000',
  },
}

SCSS

$custom: #277fa7;
$custom-light: #74a4c1;
$custom-dark: #000000;

JSON

{
  "hex": "#277fa7",
  "rgb": {
    "r": 39,
    "g": 127,
    "b": 167
  },
  "hsl": {
    "h": 198.75,
    "s": 62.136,
    "l": 40.392
  },
  "oklch": {
    "l": 0.56353,
    "c": 0.10135,
    "h": 232.7
  },
  "luminance": 0.184
}

Semantic roles & 50–950 ramp

primary

#277FA7

secondary

#C38467

accent

#7543E5

background

#F7FAFB

surface

#EEF4F7

border

#C9CED0

text

#090F12

muted

#7B7F81

Preview Lab

Preview with #277FA7

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

Preview Lab → · Contrast checker → · Palette generator →