#277AA2#277AA2

#277AA2 is a mid, moderate cyan. Relative luminance 0.170; OKLCH L 54.9% C 0.099 H 234.0°. Best body text is #FFFFFF at 4.78:1 contrast (WCAG AA passes).

Color values

HEX	#277AA2
RGB	rgb(39, 122, 162)
HSL	hsl(200, 61%, 39%)
HSV	hsv(200, 76%, 64%)
CMYK	cmyk(75.9%, 24.7%, 0%, 36.5%)
CIE-LAB	lab(48.21, -10.73, -28.48)
CIE-LCH	lch(48.21, 30.43, 249.36°)
OKLab	oklab(54.87% -0.0582 -0.0802)
OKLCH	oklch(54.87% 0.099 234)
XYZ	xyz(14.3152, 16.9574, 36.6940)
Luminance	0.1696 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#277AA2 #A24F27

analogous

#27A28D #277AA2 #273DA2

triadic

#277AA2 #A2277A #7AA227

tetradic

#277AA2 #8D27A2 #A24F27 #3DA227

square

#277AA2 #8D27A2 #A24F27 #3DA227

split-complementary

#277AA2 #A2273D #A28D27

monochromatic

#0F303F #1B5571 #277AA2 #379ECF #69B6DB

Accessibility & contrast

On white

4.78

#277AA2 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.39

#277AA2 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #277AA2

4.78:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##277AA2	#FFFFFF	#000000	##FFFFFF
##277AA2	1.00	4.78	4.39	4.78
#FFFFFF	4.78	1.00	21.00	1.00
#000000	4.39	21.00	1.00	21.00
##FFFFFF	4.78	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#6679A4

Deuteranopia (green-blind)

#566DA1

Tritanopia (blue-blind)

#008588

Achromatopsia (no color)

#727272

Design tokens & code

CSS

--color: #277aa2;
/* rgb */ color: rgb(39, 122, 162);
/* oklch */ color: oklch(54.9% 0.099 234.0);

Tailwind

colors: {
  custom: {
    50: '#73a0bd',
    500: '#277aa2',
    950: '#000000',
  },
}

SCSS

$custom: #277aa2;
$custom-light: #73a0bd;
$custom-dark: #000000;

JSON

{
  "hex": "#277aa2",
  "rgb": {
    "r": 39,
    "g": 122,
    "b": 162
  },
  "hsl": {
    "h": 199.512,
    "s": 61.194,
    "l": 39.412
  },
  "oklch": {
    "l": 0.54869,
    "c": 0.09912,
    "h": 234
  },
  "luminance": 0.16959
}

Semantic roles & 50–950 ramp

primary

#277AA2

secondary

#C18264

accent

#7843E4

background

#F7F9FB

surface

#EEF2F6

border

#C9CCD0

text

#090E12

muted

#7B7E81

Preview Lab

Preview with #277AA2

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

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