#277A8F#277A8F

#277A8F is a mid, moderate cyan. Relative luminance 0.163; OKLCH L 54.0% C 0.084 H 218.3°. Best body text is #FFFFFF at 4.92:1 contrast (WCAG AA passes).

Color values

HEX	#277A8F
RGB	rgb(39, 122, 143)
HSL	hsl(192, 57%, 36%)
HSV	hsv(192, 73%, 56%)
CMYK	cmyk(72.7%, 14.7%, 0%, 43.9%)
CIE-LAB	lab(47.41, -17.34, -18.56)
CIE-LCH	lch(47.41, 25.40, 226.94°)
OKLab	oklab(53.97% -0.0656 -0.0518)
OKLCH	oklch(53.97% 0.084 218.3)
XYZ	xyz(12.7521, 16.3321, 28.4616)
Luminance	0.1633 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#277A8F #8F3C27

analogous

#278F70 #277A8F #27468F

triadic

#277A8F #8F277A #7A8F27

tetradic

#277A8F #70278F #8F3C27 #468F27

square

#277A8F #70278F #8F3C27 #468F27

split-complementary

#277A8F #8F2746 #8F7027

monochromatic

#0D282F #1A515F #277A8F #34A3BF #5DBBD3

Accessibility & contrast

On white

4.92

#277A8F on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.27

#277A8F on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #277A8F

4.92:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##277A8F	#FFFFFF	#000000	##FFFFFF
##277A8F	1.00	4.92	4.27	4.92
#FFFFFF	4.92	1.00	21.00	1.00
#000000	4.27	21.00	1.00	21.00
##FFFFFF	4.92	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#6D7690

Deuteranopia (green-blind)

#5E6C8F

Tritanopia (blue-blind)

#008181

Achromatopsia (no color)

#707070

Design tokens & code

CSS

--color: #277a8f;
/* rgb */ color: rgb(39, 122, 143);
/* oklch */ color: oklch(54.0% 0.084 218.3);

Tailwind

colors: {
  custom: {
    50: '#70a0af',
    500: '#277a8f',
    950: '#000000',
  },
}

SCSS

$custom: #277a8f;
$custom-light: #70a0af;
$custom-dark: #000000;

JSON

{
  "hex": "#277a8f",
  "rgb": {
    "r": 39,
    "g": 122,
    "b": 143
  },
  "hsl": {
    "h": 192.115,
    "s": 57.143,
    "l": 35.686
  },
  "oklch": {
    "l": 0.53966,
    "c": 0.08357,
    "h": 218.3
  },
  "luminance": 0.16334
}

Semantic roles & 50–950 ramp

primary

#277A8F

secondary

#B86D5A

accent

#6647E0

background

#F7F9FA

surface

#EDF2F4

border

#C8CCCE

text

#090E10

muted

#7B7E7F

Preview Lab

Preview with #277A8F

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

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