#278FB6#278FB6

#278FB6 is a mid, moderate cyan. Relative luminance 0.235; OKLCH L 61.0% C 0.108 H 228.4°. Best body text is #000000 at 5.69:1 contrast (WCAG AA passes).

Color values

HEX	#278FB6
RGB	rgb(39, 143, 182)
HSL	hsl(196, 65%, 43%)
HSV	hsv(196, 79%, 71%)
CMYK	cmyk(78.6%, 21.4%, 0%, 28.6%)
CIE-LAB	lab(55.53, -15.48, -28.63)
CIE-LCH	lch(55.53, 32.55, 241.61°)
OKLab	oklab(61.01% -0.0715 -0.0805)
OKLCH	oklch(61.01% 0.108 228.4)
XYZ	xyz(19.0992, 23.4513, 47.7668)
Luminance	0.2345 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#278FB6 #B64E27

analogous

#27B695 #278FB6 #2747B6

triadic

#278FB6 #B6278F #8FB627

tetradic

#278FB6 #9527B6 #B64E27 #47B627

square

#278FB6 #9527B6 #B64E27 #47B627

split-complementary

#278FB6 #B62747 #B69527

monochromatic

#114051 #1C6784 #278FB6 #43AFD7 #76C4E2

Accessibility & contrast

On white

3.69

#278FB6 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.69

#278FB6 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #278FB6

5.69:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##278FB6	#FFFFFF	#000000	##000000
##278FB6	1.00	3.69	5.69	5.69
#FFFFFF	3.69	1.00	21.00	21.00
#000000	5.69	21.00	1.00	1.00
##000000	5.69	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#7B8DB8

Deuteranopia (green-blind)

#687FB5

Tritanopia (blue-blind)

#009A9C

Achromatopsia (no color)

#858585

Design tokens & code

CSS

--color: #278fb6;
/* rgb */ color: rgb(39, 143, 182);
/* oklch */ color: oklch(61.0% 0.108 228.4);

Tailwind

colors: {
  custom: {
    50: '#78afcc',
    500: '#278fb6',
    950: '#000000',
  },
}

SCSS

$custom: #278fb6;
$custom-light: #78afcc;
$custom-dark: #000000;

JSON

{
  "hex": "#278fb6",
  "rgb": {
    "r": 39,
    "g": 143,
    "b": 182
  },
  "hsl": {
    "h": 196.364,
    "s": 64.706,
    "l": 43.333
  },
  "oklch": {
    "l": 0.61006,
    "c": 0.10765,
    "h": 228.4
  },
  "luminance": 0.23454
}

Semantic roles & 50–950 ramp

primary

#278FB6

secondary

#C98870

accent

#6E40E8

background

#F8FAFC

surface

#EFF4F8

border

#CACED1

text

#0A1013

muted

#7C7F82

Preview Lab

Preview with #278FB6

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

Preview Lab → · Contrast checker → · Palette generator →