#277798#277798

#277798 is a mid, moderate cyan. Relative luminance 0.159; OKLCH L 53.6% C 0.091 H 229.7°. Best body text is #FFFFFF at 5.03:1 contrast (WCAG AA passes).

Color values

HEX	#277798
RGB	rgb(39, 119, 152)
HSL	hsl(198, 59%, 37%)
HSV	hsv(198, 74%, 60%)
CMYK	cmyk(74.3%, 21.7%, 0%, 40.4%)
CIE-LAB	lab(46.83, -12.56, -24.75)
CIE-LCH	lch(46.83, 27.75, 243.10°)
OKLab	oklab(53.63% -0.0589 -0.0695)
OKLCH	oklch(53.63% 0.091 229.7)
XYZ	xyz(13.0987, 15.8905, 32.0765)
Luminance	0.1589 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#277798 #984827

analogous

#279880 #277798 #273F98

triadic

#277798 #982777 #779827

tetradic

#277798 #802798 #984827 #3F9827

square

#277798 #802798 #984827 #3F9827

split-complementary

#277798 #98273F #988027

monochromatic

#0E2B37 #1B5167 #277798 #339DC9 #63B5D7

Accessibility & contrast

On white

5.03

#277798 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.18

#277798 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #277798

5.03:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##277798	#FFFFFF	#000000	##FFFFFF
##277798	1.00	5.03	4.18	5.03
#FFFFFF	5.03	1.00	21.00	1.00
#000000	4.18	21.00	1.00	21.00
##FFFFFF	5.03	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#66759A

Deuteranopia (green-blind)

#576A98

Tritanopia (blue-blind)

#008082

Achromatopsia (no color)

#6F6F6F

Design tokens & code

CSS

--color: #277798;
/* rgb */ color: rgb(39, 119, 152);
/* oklch */ color: oklch(53.6% 0.091 229.7);

Tailwind

colors: {
  custom: {
    50: '#719eb6',
    500: '#277798',
    950: '#000000',
  },
}

SCSS

$custom: #277798;
$custom-light: #719eb6;
$custom-dark: #000000;

JSON

{
  "hex": "#277798",
  "rgb": {
    "r": 39,
    "g": 119,
    "b": 152
  },
  "hsl": {
    "h": 197.522,
    "s": 59.162,
    "l": 37.451
  },
  "oklch": {
    "l": 0.53626,
    "c": 0.09108,
    "h": 229.7
  },
  "luminance": 0.15892
}

Semantic roles & 50–950 ramp

primary

#277798

secondary

#BC7A5E

accent

#7345E2

background

#F7F9FB

surface

#EDF2F6

border

#C8CCD0

text

#090E11

muted

#7B7E80

Preview Lab

Preview with #277798

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

Preview Lab → · Contrast checker → · Palette generator →