#278BAE#278BAE

#278BAE is a mid, moderate cyan. Relative luminance 0.220; OKLCH L 59.6% C 0.103 H 226.5°. Best body text is #000000 at 5.39:1 contrast (WCAG AA passes).

Color values

HEX	#278BAE
RGB	rgb(39, 139, 174)
HSL	hsl(196, 63%, 42%)
HSV	hsv(196, 78%, 68%)
CMYK	cmyk(77.6%, 20.1%, 0%, 31.8%)
CIE-LAB	lab(53.97, -16.05, -26.47)
CIE-LCH	lch(53.97, 30.96, 238.77°)
OKLab	oklab(59.65% -0.0706 -0.0743)
OKLCH	oklch(59.65% 0.103 226.5)
XYZ	xyz(17.7062, 21.9504, 43.3399)
Luminance	0.2195 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#278BAE #AE4A27

analogous

#27AE8E #278BAE #2747AE

triadic

#278BAE #AE278B #8BAE27

tetradic

#278BAE #8E27AE #AE4A27 #47AE27

square

#278BAE #8E27AE #AE4A27 #47AE27

split-complementary

#278BAE #AE2747 #AE8E27

monochromatic

#113B4A #1C637C #278BAE #3EADD4 #70C2DF

Accessibility & contrast

On white

3.90

#278BAE on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.39

#278BAE on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #278BAE

5.39:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##278BAE	#FFFFFF	#000000	##000000
##278BAE	1.00	3.90	5.39	5.39
#FFFFFF	3.90	1.00	21.00	21.00
#000000	5.39	21.00	1.00	1.00
##000000	5.39	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#7888B0

Deuteranopia (green-blind)

#667BAE

Tritanopia (blue-blind)

#009597

Achromatopsia (no color)

#818181

Design tokens & code

CSS

--color: #278bae;
/* rgb */ color: rgb(39, 139, 174);
/* oklch */ color: oklch(59.6% 0.103 226.5);

Tailwind

colors: {
  custom: {
    50: '#76adc6',
    500: '#278bae',
    950: '#000000',
  },
}

SCSS

$custom: #278bae;
$custom-light: #76adc6;
$custom-dark: #000000;

JSON

{
  "hex": "#278bae",
  "rgb": {
    "r": 39,
    "g": 139,
    "b": 174
  },
  "hsl": {
    "h": 195.556,
    "s": 63.38,
    "l": 41.765
  },
  "oklch": {
    "l": 0.59647,
    "c": 0.10251,
    "h": 226.5
  },
  "luminance": 0.21953
}

Semantic roles & 50–950 ramp

primary

#278BAE

secondary

#C6826B

accent

#6C41E6

background

#F7FAFC

surface

#EEF4F8

border

#C9CED1

text

#0A1013

muted

#7C7F82

Preview Lab

Preview with #278BAE

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

Preview Lab → · Contrast checker → · Palette generator →