#277AA8#277AA8

#277AA8 is a mid, moderate cyan. Relative luminance 0.172; OKLCH L 55.2% C 0.105 H 237.8°. Best body text is #FFFFFF at 4.73:1 contrast (WCAG AA passes).

Color values

HEX	#277AA8
RGB	rgb(39, 122, 168)
HSL	hsl(201, 62%, 41%)
HSV	hsv(201, 77%, 66%)
CMYK	cmyk(76.8%, 27.4%, 0%, 34.1%)
CIE-LAB	lab(48.48, -8.57, -31.55)
CIE-LCH	lch(48.48, 32.69, 254.81°)
OKLab	oklab(55.18% -0.0561 -0.0891)
OKLCH	oklch(55.18% 0.105 237.8)
XYZ	xyz(14.8613, 17.1758, 39.5702)
Luminance	0.1718 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#277AA8 #A85527

analogous

#27A895 #277AA8 #273AA8

triadic

#277AA8 #A8277A #7AA827

tetradic

#277AA8 #9527A8 #A85527 #3AA827

square

#277AA8 #9527A8 #A85527 #3AA827

split-complementary

#277AA8 #A8273A #A89527

monochromatic

#103245 #1B5676 #277AA8 #3B9CD1 #6CB5DD

Accessibility & contrast

On white

4.73

#277AA8 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.44

#277AA8 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #277AA8

4.73:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##277AA8	#FFFFFF	#000000	##FFFFFF
##277AA8	1.00	4.73	4.44	4.73
#FFFFFF	4.73	1.00	21.00	1.00
#000000	4.44	21.00	1.00	21.00
##FFFFFF	4.73	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#647AAA

Deuteranopia (green-blind)

#536EA7

Tritanopia (blue-blind)

#00868A

Achromatopsia (no color)

#737373

Design tokens & code

CSS

--color: #277aa8;
/* rgb */ color: rgb(39, 122, 168);
/* oklch */ color: oklch(55.2% 0.105 237.8);

Tailwind

colors: {
  custom: {
    50: '#74a0c2',
    500: '#277aa8',
    950: '#000000',
  },
}

SCSS

$custom: #277aa8;
$custom-light: #74a0c2;
$custom-dark: #000000;

JSON

{
  "hex": "#277aa8",
  "rgb": {
    "r": 39,
    "g": 122,
    "b": 168
  },
  "hsl": {
    "h": 201.395,
    "s": 62.319,
    "l": 40.588
  },
  "oklch": {
    "l": 0.55178,
    "c": 0.10531,
    "h": 237.8
  },
  "luminance": 0.17178
}

Semantic roles & 50–950 ramp

primary

#277AA8

secondary

#C38867

accent

#7D42E5

background

#F7F9FB

surface

#EEF2F7

border

#C9CCD0

text

#090E12

muted

#7B7E81

Preview Lab

Preview with #277AA8

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

Preview Lab → · Contrast checker → · Palette generator →