#278599#278599

#278599 is a mid, moderate cyan. Relative luminance 0.195; OKLCH L 57.2% C 0.089 H 215.3°. Best body text is #000000 at 4.90:1 contrast (WCAG AA passes).

Color values

HEX	#278599
RGB	rgb(39, 133, 153)
HSL	hsl(191, 59%, 38%)
HSV	hsv(191, 75%, 60%)
CMYK	cmyk(74.5%, 13.1%, 0%, 40%)
CIE-LAB	lab(51.27, -19.94, -18.50)
CIE-LCH	lch(51.27, 27.20, 222.86°)
OKLab	oklab(57.2% -0.0729 -0.0516)
OKLCH	oklch(57.2% 0.089 215.3)
XYZ	xyz(14.9716, 19.5045, 33.1065)
Luminance	0.1951 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#278599 #993B27

analogous

#279974 #278599 #274C99

triadic

#278599 #992785 #859927

tetradic

#278599 #742799 #993B27 #4C9927

square

#278599 #742799 #993B27 #4C9927

split-complementary

#278599 #99274C #997427

monochromatic

#0E3037 #1B5B68 #278599 #33AFCA #63C3D7

Accessibility & contrast

On white

4.28

#278599 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

4.90

#278599 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #278599

4.90:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##278599	#FFFFFF	#000000	##000000
##278599	1.00	4.28	4.90	4.90
#FFFFFF	4.28	1.00	21.00	21.00
#000000	4.90	21.00	1.00	1.00
##000000	4.90	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#77819A

Deuteranopia (green-blind)

#677599

Tritanopia (blue-blind)

#008C8B

Achromatopsia (no color)

#7A7A7A

Design tokens & code

CSS

--color: #278599;
/* rgb */ color: rgb(39, 133, 153);
/* oklch */ color: oklch(57.2% 0.089 215.3);

Tailwind

colors: {
  custom: {
    50: '#73a8b7',
    500: '#278599',
    950: '#000000',
  },
}

SCSS

$custom: #278599;
$custom-light: #73a8b7;
$custom-dark: #000000;

JSON

{
  "hex": "#278599",
  "rgb": {
    "r": 39,
    "g": 133,
    "b": 153
  },
  "hsl": {
    "h": 190.526,
    "s": 59.375,
    "l": 37.647
  },
  "oklch": {
    "l": 0.57202,
    "c": 0.08934,
    "h": 215.3
  },
  "luminance": 0.19506
}

Semantic roles & 50–950 ramp

primary

#278599

secondary

#BD6F5F

accent

#6145E3

background

#F7FAFB

surface

#EDF4F6

border

#C8CED0

text

#090F11

muted

#7B7F80

Preview Lab

Preview with #278599

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

Preview Lab → · Contrast checker → · Palette generator →