#277CA7#277CA7

#277CA7 is a mid, moderate cyan. Relative luminance 0.176; OKLCH L 55.6% C 0.103 H 235.4°. Best body text is #FFFFFF at 4.64:1 contrast (WCAG AA passes).

Color values

HEX	#277CA7
RGB	rgb(39, 124, 167)
HSL	hsl(200, 62%, 40%)
HSV	hsv(200, 77%, 65%)
CMYK	cmyk(76.6%, 25.7%, 0%, 34.5%)
CIE-LAB	lab(49.05, -10.09, -30.08)
CIE-LCH	lch(49.05, 31.73, 251.46°)
OKLab	oklab(55.62% -0.0584 -0.0848)
OKLCH	oklch(55.62% 0.103 235.4)
XYZ	xyz(15.0166, 17.6349, 39.1642)
Luminance	0.1764 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#277CA7 #A75227

analogous

#27A792 #277CA7 #273CA7

triadic

#277CA7 #A7277C #7CA727

tetradic

#277CA7 #9227A7 #A75227 #3CA727

square

#277CA7 #9227A7 #A75227 #3CA727

split-complementary

#277CA7 #A7273C #A79227

monochromatic

#103244 #1B5775 #277CA7 #3A9ED1 #6CB7DD

Accessibility & contrast

On white

4.64

#277CA7 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.53

#277CA7 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#FFFFFF on #277CA7

4.64:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##277CA7	#FFFFFF	#000000	##FFFFFF
##277CA7	1.00	4.64	4.53	4.64
#FFFFFF	4.64	1.00	21.00	1.00
#000000	4.53	21.00	1.00	21.00
##FFFFFF	4.64	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#677BA9

Deuteranopia (green-blind)

#566FA6

Tritanopia (blue-blind)

#00878B

Achromatopsia (no color)

#757575

Design tokens & code

CSS

--color: #277ca7;
/* rgb */ color: rgb(39, 124, 167);
/* oklch */ color: oklch(55.6% 0.103 235.4);

Tailwind

colors: {
  custom: {
    50: '#74a1c1',
    500: '#277ca7',
    950: '#000000',
  },
}

SCSS

$custom: #277ca7;
$custom-light: #74a1c1;
$custom-dark: #000000;

JSON

{
  "hex": "#277ca7",
  "rgb": {
    "r": 39,
    "g": 124,
    "b": 167
  },
  "hsl": {
    "h": 200.156,
    "s": 62.136,
    "l": 40.392
  },
  "oklch": {
    "l": 0.55616,
    "c": 0.103,
    "h": 235.4
  },
  "luminance": 0.17637
}

Semantic roles & 50–950 ramp

primary

#277CA7

secondary

#C38667

accent

#7943E5

background

#F7F9FB

surface

#EEF2F7

border

#C9CCD0

text

#090F12

muted

#7B7E81

Preview Lab

Preview with #277CA7

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

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