#277EA6#277EA6

#277EA6 is a mid, moderate cyan. Relative luminance 0.181; OKLCH L 56.1% C 0.101 H 233.0°. Best body text is #000000 at 4.62:1 contrast (WCAG AA passes).

Color values

HEX	#277EA6
RGB	rgb(39, 126, 166)
HSL	hsl(199, 62%, 40%)
HSV	hsv(199, 77%, 65%)
CMYK	cmyk(76.5%, 24.1%, 0%, 34.9%)
CIE-LAB	lab(49.62, -11.59, -28.61)
CIE-LCH	lch(49.62, 30.87, 247.94°)
OKLab	oklab(56.06% -0.0608 -0.0805)
OKLCH	oklch(56.06% 0.101 233)
XYZ	xyz(15.1777, 18.1044, 38.7636)
Luminance	0.1811 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#277EA6 #A64F27

analogous

#27A68F #277EA6 #273EA6

triadic

#277EA6 #A6277E #7EA627

tetradic

#277EA6 #8F27A6 #A64F27 #3EA627

square

#277EA6 #8F27A6 #A64F27 #3EA627

split-complementary

#277EA6 #A6273E #A68F27

monochromatic

#103343 #1B5874 #277EA6 #3AA1D1 #6BB9DC

Accessibility & contrast

On white

4.54

#277EA6 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.62

#277EA6 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #277EA6

4.62:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##277EA6	#FFFFFF	#000000	##000000
##277EA6	1.00	4.54	4.62	4.62
#FFFFFF	4.54	1.00	21.00	21.00
#000000	4.62	21.00	1.00	1.00
##000000	4.62	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#6A7DA8

Deuteranopia (green-blind)

#5971A5

Tritanopia (blue-blind)

#00898C

Achromatopsia (no color)

#767676

Design tokens & code

CSS

--color: #277ea6;
/* rgb */ color: rgb(39, 126, 166);
/* oklch */ color: oklch(56.1% 0.101 233.0);

Tailwind

colors: {
  custom: {
    50: '#74a3c0',
    500: '#277ea6',
    950: '#000000',
  },
}

SCSS

$custom: #277ea6;
$custom-light: #74a3c0;
$custom-dark: #000000;

JSON

{
  "hex": "#277ea6",
  "rgb": {
    "r": 39,
    "g": 126,
    "b": 166
  },
  "hsl": {
    "h": 198.898,
    "s": 61.951,
    "l": 40.196
  },
  "oklch": {
    "l": 0.56057,
    "c": 0.10089,
    "h": 233
  },
  "luminance": 0.18106
}

Semantic roles & 50–950 ramp

primary

#277EA6

secondary

#C38366

accent

#7643E5

background

#F7FAFB

surface

#EEF3F7

border

#C9CDD0

text

#090F12

muted

#7B7F81

Preview Lab

Preview with #277EA6

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

Preview Lab → · Contrast checker → · Palette generator →