#277799#277799

#277799 is a mid, moderate cyan. Relative luminance 0.159; OKLCH L 53.7% C 0.092 H 230.5°. Best body text is #FFFFFF at 5.02:1 contrast (WCAG AA passes).

Color values

HEX	#277799
RGB	rgb(39, 119, 153)
HSL	hsl(198, 59%, 38%)
HSV	hsv(198, 75%, 60%)
CMYK	cmyk(74.5%, 22.2%, 0%, 40%)
CIE-LAB	lab(46.87, -12.20, -25.27)
CIE-LCH	lch(46.87, 28.06, 244.23°)
OKLab	oklab(53.68% -0.0585 -0.071)
OKLCH	oklch(53.68% 0.092 230.5)
XYZ	xyz(13.1810, 15.9234, 32.5097)
Luminance	0.1593 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#277799 #994927

analogous

#279982 #277799 #273E99

triadic

#277799 #992777 #779927

tetradic

#277799 #822799 #994927 #3E9927

square

#277799 #822799 #994927 #3E9927

split-complementary

#277799 #99273E #998227

monochromatic

#0E2B37 #1B5168 #277799 #339DCA #63B5D7

Accessibility & contrast

On white

5.02

#277799 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.18

#277799 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #277799

5.02:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##277799	#FFFFFF	#000000	##FFFFFF
##277799	1.00	5.02	4.18	5.02
#FFFFFF	5.02	1.00	21.00	1.00
#000000	4.18	21.00	1.00	21.00
##FFFFFF	5.02	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#66759B

Deuteranopia (green-blind)

#566A99

Tritanopia (blue-blind)

#008082

Achromatopsia (no color)

#6F6F6F

Design tokens & code

CSS

--color: #277799;
/* rgb */ color: rgb(39, 119, 153);
/* oklch */ color: oklch(53.7% 0.092 230.5);

Tailwind

colors: {
  custom: {
    50: '#729eb7',
    500: '#277799',
    950: '#000000',
  },
}

SCSS

$custom: #277799;
$custom-light: #729eb7;
$custom-dark: #000000;

JSON

{
  "hex": "#277799",
  "rgb": {
    "r": 39,
    "g": 119,
    "b": 153
  },
  "hsl": {
    "h": 197.895,
    "s": 59.375,
    "l": 37.647
  },
  "oklch": {
    "l": 0.53675,
    "c": 0.09199,
    "h": 230.5
  },
  "luminance": 0.15925
}

Semantic roles & 50–950 ramp

primary

#277799

secondary

#BD7B5F

accent

#7445E3

background

#F7F9FB

surface

#EDF2F6

border

#C8CCD0

text

#090E11

muted

#7B7E80

Preview Lab

Preview with #277799

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

Preview Lab → · Contrast checker → · Palette generator →