#277FA6#277FA6

#277FA6 is a mid, moderate cyan. Relative luminance 0.184; OKLCH L 56.3% C 0.100 H 232.0°. Best body text is #000000 at 4.67:1 contrast (WCAG AA passes).

Color values

HEX	#277FA6
RGB	rgb(39, 127, 166)
HSL	hsl(198, 62%, 40%)
HSV	hsv(198, 77%, 65%)
CMYK	cmyk(76.5%, 23.5%, 0%, 34.9%)
CIE-LAB	lab(49.93, -12.16, -28.13)
CIE-LCH	lch(49.93, 30.64, 246.62°)
OKLab	oklab(56.3% -0.0618 -0.0791)
OKLCH	oklch(56.3% 0.1 232)
XYZ	xyz(15.3062, 18.3614, 38.8064)
Luminance	0.1836 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#277FA6 #A64E27

analogous

#27A68D #277FA6 #2740A6

triadic

#277FA6 #A6277F #7FA627

tetradic

#277FA6 #8D27A6 #A64E27 #40A627

square

#277FA6 #8D27A6 #A64E27 #40A627

split-complementary

#277FA6 #A62740 #A68D27

monochromatic

#103343 #1B5974 #277FA6 #3AA2D1 #6BBADC

Accessibility & contrast

On white

4.49

#277FA6 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

4.67

#277FA6 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #277FA6

4.67:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##277FA6	#FFFFFF	#000000	##000000
##277FA6	1.00	4.49	4.67	4.67
#FFFFFF	4.49	1.00	21.00	21.00
#000000	4.67	21.00	1.00	1.00
##000000	4.67	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#6B7EA8

Deuteranopia (green-blind)

#5A71A5

Tritanopia (blue-blind)

#008A8C

Achromatopsia (no color)

#777777

Design tokens & code

CSS

--color: #277fa6;
/* rgb */ color: rgb(39, 127, 166);
/* oklch */ color: oklch(56.3% 0.100 232.0);

Tailwind

colors: {
  custom: {
    50: '#74a4c0',
    500: '#277fa6',
    950: '#000000',
  },
}

SCSS

$custom: #277fa6;
$custom-light: #74a4c0;
$custom-dark: #000000;

JSON

{
  "hex": "#277fa6",
  "rgb": {
    "r": 39,
    "g": 127,
    "b": 166
  },
  "hsl": {
    "h": 198.425,
    "s": 61.951,
    "l": 40.196
  },
  "oklch": {
    "l": 0.56303,
    "c": 0.10039,
    "h": 232
  },
  "luminance": 0.18363
}

Semantic roles & 50–950 ramp

primary

#277FA6

secondary

#C38366

accent

#7543E5

background

#F7FAFB

surface

#EEF4F7

border

#C9CED0

text

#090F12

muted

#7B7F81

Preview Lab

Preview with #277FA6

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

Preview Lab → · Contrast checker → · Palette generator →