#277A90#277A90

#277A90 is a mid, moderate cyan. Relative luminance 0.164; OKLCH L 54.0% C 0.084 H 219.3°. Best body text is #FFFFFF at 4.91:1 contrast (WCAG AA passes).

Color values

HEX	#277A90
RGB	rgb(39, 122, 144)
HSL	hsl(193, 57%, 36%)
HSV	hsv(193, 73%, 56%)
CMYK	cmyk(72.9%, 15.3%, 0%, 43.5%)
CIE-LAB	lab(47.45, -17.00, -19.09)
CIE-LCH	lch(47.45, 25.56, 228.31°)
OKLab	oklab(54.01% -0.0652 -0.0533)
OKLCH	oklch(54.01% 0.084 219.3)
XYZ	xyz(12.8282, 16.3625, 28.8624)
Luminance	0.1636 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#277A90 #903D27

analogous

#279071 #277A90 #274690

triadic

#277A90 #90277A #7A9027

tetradic

#277A90 #712790 #903D27 #469027

square

#277A90 #712790 #903D27 #469027

split-complementary

#277A90 #902746 #907127

monochromatic

#0D2830 #1A5160 #277A90 #34A3C0 #5EBBD3

Accessibility & contrast

On white

4.91

#277A90 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.27

#277A90 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #277A90

4.91:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##277A90	#FFFFFF	#000000	##FFFFFF
##277A90	1.00	4.91	4.27	4.91
#FFFFFF	4.91	1.00	21.00	1.00
#000000	4.27	21.00	1.00	21.00
##FFFFFF	4.91	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#6C7791

Deuteranopia (green-blind)

#5E6C90

Tritanopia (blue-blind)

#008181

Achromatopsia (no color)

#717171

Design tokens & code

CSS

--color: #277a90;
/* rgb */ color: rgb(39, 122, 144);
/* oklch */ color: oklch(54.0% 0.084 219.3);

Tailwind

colors: {
  custom: {
    50: '#70a0b0',
    500: '#277a90',
    950: '#000000',
  },
}

SCSS

$custom: #277a90;
$custom-light: #70a0b0;
$custom-dark: #000000;

JSON

{
  "hex": "#277a90",
  "rgb": {
    "r": 39,
    "g": 122,
    "b": 144
  },
  "hsl": {
    "h": 192.571,
    "s": 57.377,
    "l": 35.882
  },
  "oklch": {
    "l": 0.54011,
    "c": 0.08419,
    "h": 219.3
  },
  "luminance": 0.16364
}

Semantic roles & 50–950 ramp

primary

#277A90

secondary

#B96E5A

accent

#6747E1

background

#F7F9FA

surface

#EDF2F4

border

#C8CCCE

text

#090E10

muted

#7B7E7F

Preview Lab

Preview with #277A90

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

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