#277D8F#277D8F

#277D8F is a mid, moderate cyan. Relative luminance 0.171; OKLCH L 54.7% C 0.084 H 214.7°. Best body text is #FFFFFF at 4.76:1 contrast (WCAG AA passes).

Color values

HEX	#277D8F
RGB	rgb(39, 125, 143)
HSL	hsl(190, 57%, 36%)
HSV	hsv(190, 73%, 56%)
CMYK	cmyk(72.7%, 12.6%, 0%, 43.9%)
CIE-LAB	lab(48.36, -18.97, -17.10)
CIE-LCH	lch(48.36, 25.54, 222.02°)
OKLab	oklab(54.73% -0.0688 -0.0476)
OKLCH	oklch(54.73% 0.084 214.7)
XYZ	xyz(13.1261, 17.0802, 28.5863)
Luminance	0.1708 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#277D8F #8F3927

analogous

#278F6D #277D8F #27498F

triadic

#277D8F #8F277D #7D8F27

tetradic

#277D8F #6D278F #8F3927 #498F27

square

#277D8F #6D278F #8F3927 #498F27

split-complementary

#277D8F #8F2749 #8F6D27

monochromatic

#0D292F #1A535F #277D8F #34A7BF #5DBFD3

Accessibility & contrast

On white

4.76

#277D8F on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.42

#277D8F on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #277D8F

4.76:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##277D8F	#FFFFFF	#000000	##FFFFFF
##277D8F	1.00	4.76	4.42	4.76
#FFFFFF	4.76	1.00	21.00	1.00
#000000	4.42	21.00	1.00	21.00
##FFFFFF	4.76	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#707990

Deuteranopia (green-blind)

#626E8F

Tritanopia (blue-blind)

#008483

Achromatopsia (no color)

#737373

Design tokens & code

CSS

--color: #277d8f;
/* rgb */ color: rgb(39, 125, 143);
/* oklch */ color: oklch(54.7% 0.084 214.7);

Tailwind

colors: {
  custom: {
    50: '#71a3af',
    500: '#277d8f',
    950: '#000000',
  },
}

SCSS

$custom: #277d8f;
$custom-light: #71a3af;
$custom-dark: #000000;

JSON

{
  "hex": "#277d8f",
  "rgb": {
    "r": 39,
    "g": 125,
    "b": 143
  },
  "hsl": {
    "h": 190.385,
    "s": 57.143,
    "l": 35.686
  },
  "oklch": {
    "l": 0.54733,
    "c": 0.08366,
    "h": 214.7
  },
  "luminance": 0.17082
}

Semantic roles & 50–950 ramp

primary

#277D8F

secondary

#B86A5A

accent

#6247E0

background

#F7FAFA

surface

#EDF3F4

border

#C8CDCE

text

#090F10

muted

#7B7F7F

Preview Lab

Preview with #277D8F

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

Preview Lab → · Contrast checker → · Palette generator →