#277D91#277D91

#277D91 is a mid, moderate cyan. Relative luminance 0.171; OKLCH L 54.8% C 0.085 H 216.7°. Best body text is #FFFFFF at 4.74:1 contrast (WCAG AA passes).

Color values

HEX	#277D91
RGB	rgb(39, 125, 145)
HSL	hsl(191, 58%, 36%)
HSV	hsv(191, 73%, 57%)
CMYK	cmyk(73.1%, 13.8%, 0%, 43.1%)
CIE-LAB	lab(48.44, -18.30, -18.16)
CIE-LCH	lch(48.44, 25.78, 224.77°)
OKLab	oklab(54.82% -0.0679 -0.0506)
OKLCH	oklch(54.82% 0.085 216.7)
XYZ	xyz(13.2790, 17.1414, 29.3913)
Luminance	0.1714 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#277D91 #913B27

analogous

#279170 #277D91 #274891

triadic

#277D91 #91277D #7D9127

tetradic

#277D91 #702791 #913B27 #489127

square

#277D91 #702791 #913B27 #489127

split-complementary

#277D91 #912748 #917027

monochromatic

#0D2A31 #1A5361 #277D91 #34A7C1 #5FBED4

Accessibility & contrast

On white

4.74

#277D91 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.43

#277D91 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #277D91

4.74:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##277D91	#FFFFFF	#000000	##FFFFFF
##277D91	1.00	4.74	4.43	4.74
#FFFFFF	4.74	1.00	21.00	1.00
#000000	4.43	21.00	1.00	21.00
##FFFFFF	4.74	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#707992

Deuteranopia (green-blind)

#616E91

Tritanopia (blue-blind)

#008483

Achromatopsia (no color)

#737373

Design tokens & code

CSS

--color: #277d91;
/* rgb */ color: rgb(39, 125, 145);
/* oklch */ color: oklch(54.8% 0.085 216.7);

Tailwind

colors: {
  custom: {
    50: '#71a2b1',
    500: '#277d91',
    950: '#000000',
  },
}

SCSS

$custom: #277d91;
$custom-light: #71a2b1;
$custom-dark: #000000;

JSON

{
  "hex": "#277d91",
  "rgb": {
    "r": 39,
    "g": 125,
    "b": 145
  },
  "hsl": {
    "h": 191.321,
    "s": 57.609,
    "l": 36.078
  },
  "oklch": {
    "l": 0.5482,
    "c": 0.08473,
    "h": 216.7
  },
  "luminance": 0.17143
}

Semantic roles & 50–950 ramp

primary

#277D91

secondary

#B96C5B

accent

#6447E1

background

#F7FAFA

surface

#EDF3F5

border

#C8CDCF

text

#090F10

muted

#7B7F7F

Preview Lab

Preview with #277D91

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

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