#277D90#277D90

#277D90 is a mid, moderate cyan. Relative luminance 0.171; OKLCH L 54.8% C 0.084 H 215.7°. Best body text is #FFFFFF at 4.75:1 contrast (WCAG AA passes).

Color values

HEX	#277D90
RGB	rgb(39, 125, 144)
HSL	hsl(191, 57%, 36%)
HSV	hsv(191, 73%, 56%)
CMYK	cmyk(72.9%, 13.2%, 0%, 43.5%)
CIE-LAB	lab(48.40, -18.64, -17.63)
CIE-LCH	lch(48.40, 25.65, 223.40°)
OKLab	oklab(54.78% -0.0684 -0.0491)
OKLCH	oklch(54.78% 0.084 215.7)
XYZ	xyz(13.2022, 17.1107, 28.9870)
Luminance	0.1711 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#277D90 #903A27

analogous

#27906E #277D90 #274890

triadic

#277D90 #90277D #7D9027

tetradic

#277D90 #6E2790 #903A27 #489027

square

#277D90 #6E2790 #903A27 #489027

split-complementary

#277D90 #902748 #906E27

monochromatic

#0D2930 #1A5360 #277D90 #34A7C0 #5EBED3

Accessibility & contrast

On white

4.75

#277D90 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.42

#277D90 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #277D90

4.75:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##277D90	#FFFFFF	#000000	##FFFFFF
##277D90	1.00	4.75	4.42	4.75
#FFFFFF	4.75	1.00	21.00	1.00
#000000	4.42	21.00	1.00	21.00
##FFFFFF	4.75	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#707991

Deuteranopia (green-blind)

#616E90

Tritanopia (blue-blind)

#008483

Achromatopsia (no color)

#737373

Design tokens & code

CSS

--color: #277d90;
/* rgb */ color: rgb(39, 125, 144);
/* oklch */ color: oklch(54.8% 0.084 215.7);

Tailwind

colors: {
  custom: {
    50: '#71a3b0',
    500: '#277d90',
    950: '#000000',
  },
}

SCSS

$custom: #277d90;
$custom-light: #71a3b0;
$custom-dark: #000000;

JSON

{
  "hex": "#277d90",
  "rgb": {
    "r": 39,
    "g": 125,
    "b": 144
  },
  "hsl": {
    "h": 190.857,
    "s": 57.377,
    "l": 35.882
  },
  "oklch": {
    "l": 0.54776,
    "c": 0.08418,
    "h": 215.7
  },
  "luminance": 0.17112
}

Semantic roles & 50–950 ramp

primary

#277D90

secondary

#B96B5A

accent

#6347E1

background

#F7FAFA

surface

#EDF3F4

border

#C8CDCE

text

#090F10

muted

#7B7F7F

Preview Lab

Preview with #277D90

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

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