#277F91#277F91

#277F91 is a mid, moderate cyan. Relative luminance 0.177; OKLCH L 55.3% C 0.085 H 214.4°. Best body text is #FFFFFF at 4.63:1 contrast (WCAG AA passes).

Color values

HEX	#277F91
RGB	rgb(39, 127, 145)
HSL	hsl(190, 58%, 36%)
HSV	hsv(190, 73%, 57%)
CMYK	cmyk(73.1%, 12.4%, 0%, 43.1%)
CIE-LAB	lab(49.07, -19.38, -17.19)
CIE-LCH	lch(49.07, 25.91, 221.56°)
OKLab	oklab(55.33% -0.07 -0.0479)
OKLCH	oklch(55.33% 0.085 214.4)
XYZ	xyz(13.5347, 17.6528, 29.4766)
Luminance	0.1765 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#277F91 #913927

analogous

#27916E #277F91 #274A91

triadic

#277F91 #91277F #7F9127

tetradic

#277F91 #6E2791 #913927 #4A9127

square

#277F91 #6E2791 #913927 #4A9127

split-complementary

#277F91 #91274A #916E27

monochromatic

#0D2B31 #1A5561 #277F91 #34A9C1 #5FC0D4

Accessibility & contrast

On white

4.63

#277F91 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.53

#277F91 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#FFFFFF on #277F91

4.63:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##277F91	#FFFFFF	#000000	##FFFFFF
##277F91	1.00	4.63	4.53	4.63
#FFFFFF	4.63	1.00	21.00	1.00
#000000	4.53	21.00	1.00	21.00
##FFFFFF	4.63	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#727B92

Deuteranopia (green-blind)

#637091

Tritanopia (blue-blind)

#008685

Achromatopsia (no color)

#757575

Design tokens & code

CSS

--color: #277f91;
/* rgb */ color: rgb(39, 127, 145);
/* oklch */ color: oklch(55.3% 0.085 214.4);

Tailwind

colors: {
  custom: {
    50: '#71a4b1',
    500: '#277f91',
    950: '#000000',
  },
}

SCSS

$custom: #277f91;
$custom-light: #71a4b1;
$custom-dark: #000000;

JSON

{
  "hex": "#277f91",
  "rgb": {
    "r": 39,
    "g": 127,
    "b": 145
  },
  "hsl": {
    "h": 190.189,
    "s": 57.609,
    "l": 36.078
  },
  "oklch": {
    "l": 0.5533,
    "c": 0.08485,
    "h": 214.4
  },
  "luminance": 0.17654
}

Semantic roles & 50–950 ramp

primary

#277F91

secondary

#B96B5B

accent

#6147E1

background

#F7FAFA

surface

#EDF4F5

border

#C8CECF

text

#090F10

muted

#7B7F7F

Preview Lab

Preview with #277F91

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

Preview Lab → · Contrast checker → · Palette generator →