#277C8E#277C8E

#277C8E is a mid, moderate cyan. Relative luminance 0.168; OKLCH L 54.4% C 0.083 H 214.9°. Best body text is #FFFFFF at 4.82:1 contrast (WCAG AA passes).

Color values

HEX	#277C8E
RGB	rgb(39, 124, 142)
HSL	hsl(190, 57%, 35%)
HSV	hsv(190, 73%, 56%)
CMYK	cmyk(72.5%, 12.7%, 0%, 44.3%)
CIE-LAB	lab(48.00, -18.76, -17.05)
CIE-LCH	lch(48.00, 25.36, 222.26°)
OKLab	oklab(54.43% -0.0681 -0.0475)
OKLCH	oklch(54.43% 0.083 214.9)
XYZ	xyz(12.9248, 16.7981, 28.1471)
Luminance	0.1680 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#277C8E #8E3927

analogous

#278E6C #277C8E #27498E

triadic

#277C8E #8E277C #7C8E27

tetradic

#277C8E #6C278E #8E3927 #498E27

square

#277C8E #6C278E #8E3927 #498E27

split-complementary

#277C8E #8E2749 #8E6C27

monochromatic

#0D282E #1A525E #277C8E #34A6BE #5DBED2

Accessibility & contrast

On white

4.82

#277C8E on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.36

#277C8E on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #277C8E

4.82:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##277C8E	#FFFFFF	#000000	##FFFFFF
##277C8E	1.00	4.82	4.36	4.82
#FFFFFF	4.82	1.00	21.00	1.00
#000000	4.36	21.00	1.00	21.00
##FFFFFF	4.82	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#6F788F

Deuteranopia (green-blind)

#616D8E

Tritanopia (blue-blind)

#008382

Achromatopsia (no color)

#727272

Design tokens & code

CSS

--color: #277c8e;
/* rgb */ color: rgb(39, 124, 142);
/* oklch */ color: oklch(54.4% 0.083 214.9);

Tailwind

colors: {
  custom: {
    50: '#70a2af',
    500: '#277c8e',
    950: '#000000',
  },
}

SCSS

$custom: #277c8e;
$custom-light: #70a2af;
$custom-dark: #000000;

JSON

{
  "hex": "#277c8e",
  "rgb": {
    "r": 39,
    "g": 124,
    "b": 142
  },
  "hsl": {
    "h": 190.485,
    "s": 56.906,
    "l": 35.49
  },
  "oklch": {
    "l": 0.54433,
    "c": 0.08308,
    "h": 214.9
  },
  "luminance": 0.168
}

Semantic roles & 50–950 ramp

primary

#277C8E

secondary

#B86A59

accent

#6248E0

background

#F7F9FA

surface

#EDF2F4

border

#C8CCCE

text

#090F10

muted

#7B7E7F

Preview Lab

Preview with #277C8E

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

Preview Lab → · Contrast checker → · Palette generator →