#277BA8#277BA8

#277BA8 is a mid, moderate cyan. Relative luminance 0.174; OKLCH L 55.4% C 0.105 H 236.9°. Best body text is #FFFFFF at 4.68:1 contrast (WCAG AA passes).

Color values

HEX	#277BA8
RGB	rgb(39, 123, 168)
HSL	hsl(201, 62%, 41%)
HSV	hsv(201, 77%, 66%)
CMYK	cmyk(76.8%, 26.8%, 0%, 34.1%)
CIE-LAB	lab(48.79, -9.15, -31.07)
CIE-LCH	lch(48.79, 32.39, 253.59°)
OKLab	oklab(55.42% -0.0571 -0.0877)
OKLCH	oklch(55.42% 0.105 236.9)
XYZ	xyz(14.9847, 17.4226, 39.6113)
Luminance	0.1742 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#277BA8 #A85427

analogous

#27A894 #277BA8 #273BA8

triadic

#277BA8 #A8277B #7BA827

tetradic

#277BA8 #9427A8 #A85427 #3BA827

square

#277BA8 #9427A8 #A85427 #3BA827

split-complementary

#277BA8 #A8273B #A89427

monochromatic

#103245 #1B5776 #277BA8 #3B9DD1 #6CB6DD

Accessibility & contrast

On white

4.68

#277BA8 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.48

#277BA8 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #277BA8

4.68:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##277BA8	#FFFFFF	#000000	##FFFFFF
##277BA8	1.00	4.68	4.48	4.68
#FFFFFF	4.68	1.00	21.00	1.00
#000000	4.48	21.00	1.00	21.00
##FFFFFF	4.68	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#657BAA

Deuteranopia (green-blind)

#546FA7

Tritanopia (blue-blind)

#00878A

Achromatopsia (no color)

#747474

Design tokens & code

CSS

--color: #277ba8;
/* rgb */ color: rgb(39, 123, 168);
/* oklch */ color: oklch(55.4% 0.105 236.9);

Tailwind

colors: {
  custom: {
    50: '#74a1c2',
    500: '#277ba8',
    950: '#000000',
  },
}

SCSS

$custom: #277ba8;
$custom-light: #74a1c2;
$custom-dark: #000000;

JSON

{
  "hex": "#277ba8",
  "rgb": {
    "r": 39,
    "g": 123,
    "b": 168
  },
  "hsl": {
    "h": 200.93,
    "s": 62.319,
    "l": 40.588
  },
  "oklch": {
    "l": 0.55422,
    "c": 0.10466,
    "h": 236.9
  },
  "luminance": 0.17424
}

Semantic roles & 50–950 ramp

primary

#277BA8

secondary

#C38767

accent

#7B42E5

background

#F7F9FB

surface

#EEF2F7

border

#C9CCD0

text

#090E12

muted

#7B7E81

Preview Lab

Preview with #277BA8

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

Preview Lab → · Contrast checker → · Palette generator →