#277A9C#277A9C

#277A9C is a mid, moderate cyan. Relative luminance 0.168; OKLCH L 54.6% C 0.093 H 229.7°. Best body text is #FFFFFF at 4.83:1 contrast (WCAG AA passes).

Color values

HEX	#277A9C
RGB	rgb(39, 122, 156)
HSL	hsl(197, 60%, 38%)
HSV	hsv(197, 75%, 61%)
CMYK	cmyk(75%, 21.8%, 0%, 38.8%)
CIE-LAB	lab(47.94, -12.85, -25.38)
CIE-LCH	lch(47.94, 28.45, 243.14°)
OKLab	oklab(54.57% -0.0604 -0.0713)
OKLCH	oklch(54.57% 0.093 229.7)
XYZ	xyz(13.7946, 16.7491, 33.9519)
Luminance	0.1675 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#277A9C #9C4927

analogous

#279C83 #277A9C #273F9C

triadic

#277A9C #9C277A #7A9C27

tetradic

#277A9C #83279C #9C4927 #3F9C27

square

#277A9C #83279C #9C4927 #3F9C27

split-complementary

#277A9C #9C273F #9C8327

monochromatic

#0F2D3A #1B546B #277A9C #34A0CC #65B7D8

Accessibility & contrast

On white

4.83

#277A9C on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.35

#277A9C on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #277A9C

4.83:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##277A9C	#FFFFFF	#000000	##FFFFFF
##277A9C	1.00	4.83	4.35	4.83
#FFFFFF	4.83	1.00	21.00	1.00
#000000	4.35	21.00	1.00	21.00
##FFFFFF	4.83	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#68789E

Deuteranopia (green-blind)

#596D9C

Tritanopia (blue-blind)

#008385

Achromatopsia (no color)

#727272

Design tokens & code

CSS

--color: #277a9c;
/* rgb */ color: rgb(39, 122, 156);
/* oklch */ color: oklch(54.6% 0.093 229.7);

Tailwind

colors: {
  custom: {
    50: '#72a0b9',
    500: '#277a9c',
    950: '#000000',
  },
}

SCSS

$custom: #277a9c;
$custom-light: #72a0b9;
$custom-dark: #000000;

JSON

{
  "hex": "#277a9c",
  "rgb": {
    "r": 39,
    "g": 122,
    "b": 156
  },
  "hsl": {
    "h": 197.436,
    "s": 60,
    "l": 38.235
  },
  "oklch": {
    "l": 0.54572,
    "c": 0.09345,
    "h": 229.7
  },
  "luminance": 0.16751
}

Semantic roles & 50–950 ramp

primary

#277A9C

secondary

#BE7C61

accent

#7345E3

background

#F7F9FB

surface

#EDF2F6

border

#C8CCD0

text

#090E11

muted

#7B7E80

Preview Lab

Preview with #277A9C

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

Preview Lab → · Contrast checker → · Palette generator →