#278EBA#278EBA

#278EBA is a mid, moderate cyan. Relative luminance 0.233; OKLCH L 61.0% C 0.112 H 231.8°. Best body text is #000000 at 5.66:1 contrast (WCAG AA passes).

Color values

HEX	#278EBA
RGB	rgb(39, 142, 186)
HSL	hsl(198, 65%, 44%)
HSV	hsv(198, 79%, 73%)
CMYK	cmyk(79%, 23.7%, 0%, 27.1%)
CIE-LAB	lab(55.40, -13.53, -31.12)
CIE-LCH	lch(55.40, 33.93, 246.51°)
OKLab	oklab(60.96% -0.0691 -0.0876)
OKLCH	oklch(60.96% 0.112 231.8)
XYZ	xyz(19.3690, 23.3201, 49.9253)
Luminance	0.2332 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#278EBA #BA5327

analogous

#27BA9D #278EBA #2745BA

triadic

#278EBA #BA278E #8EBA27

tetradic

#278EBA #9D27BA #BA5327 #45BA27

square

#278EBA #9D27BA #BA5327 #45BA27

split-complementary

#278EBA #BA2745 #BA9D27

monochromatic

#124155 #1C6787 #278EBA #46ACD8 #79C3E3

Accessibility & contrast

On white

3.71

#278EBA on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.66

#278EBA on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #278EBA

5.66:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##278EBA	#FFFFFF	#000000	##000000
##278EBA	1.00	3.71	5.66	5.66
#FFFFFF	3.71	1.00	21.00	21.00
#000000	5.66	21.00	1.00	1.00
##000000	5.66	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#788CBC

Deuteranopia (green-blind)

#647FB9

Tritanopia (blue-blind)

#009A9D

Achromatopsia (no color)

#858585

Design tokens & code

CSS

--color: #278eba;
/* rgb */ color: rgb(39, 142, 186);
/* oklch */ color: oklch(61.0% 0.112 231.8);

Tailwind

colors: {
  custom: {
    50: '#79afcf',
    500: '#278eba',
    950: '#000000',
  },
}

SCSS

$custom: #278eba;
$custom-light: #79afcf;
$custom-dark: #000000;

JSON

{
  "hex": "#278eba",
  "rgb": {
    "r": 39,
    "g": 142,
    "b": 186
  },
  "hsl": {
    "h": 197.959,
    "s": 65.333,
    "l": 44.118
  },
  "oklch": {
    "l": 0.60956,
    "c": 0.11161,
    "h": 231.8
  },
  "luminance": 0.23323
}

Semantic roles & 50–950 ramp

primary

#278EBA

secondary

#CB8D72

accent

#7240E8

background

#F8FAFC

surface

#EFF4F9

border

#CACED2

text

#0A1013

muted

#7C7F82

Preview Lab

Preview with #278EBA

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

Preview Lab → · Contrast checker → · Palette generator →