#278CAF#278CAF

#278CAF is a mid, moderate cyan. Relative luminance 0.223; OKLCH L 59.9% C 0.103 H 226.3°. Best body text is #000000 at 5.46:1 contrast (WCAG AA passes).

Color values

HEX	#278CAF
RGB	rgb(39, 140, 175)
HSL	hsl(195, 64%, 42%)
HSV	hsv(195, 78%, 69%)
CMYK	cmyk(77.7%, 20%, 0%, 31.4%)
CIE-LAB	lab(54.32, -16.25, -26.51)
CIE-LCH	lch(54.32, 31.10, 238.48°)
OKLab	oklab(59.94% -0.0712 -0.0744)
OKLCH	oklch(59.94% 0.103 226.3)
XYZ	xyz(17.9495, 22.2805, 43.9037)
Luminance	0.2228 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#278CAF #AF4A27

analogous

#27AF8E #278CAF #2748AF

triadic

#278CAF #AF278C #8CAF27

tetradic

#278CAF #8E27AF #AF4A27 #48AF27

square

#278CAF #8E27AF #AF4A27 #48AF27

split-complementary

#278CAF #AF2748 #AF8E27

monochromatic

#113C4B #1C647D #278CAF #3FAED4 #71C3DF

Accessibility & contrast

On white

3.85

#278CAF on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.46

#278CAF on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #278CAF

5.46:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##278CAF	#FFFFFF	#000000	##000000
##278CAF	1.00	3.85	5.46	5.46
#FFFFFF	3.85	1.00	21.00	21.00
#000000	5.46	21.00	1.00	1.00
##000000	5.46	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#7989B1

Deuteranopia (green-blind)

#677CAF

Tritanopia (blue-blind)

#009697

Achromatopsia (no color)

#828282

Design tokens & code

CSS

--color: #278caf;
/* rgb */ color: rgb(39, 140, 175);
/* oklch */ color: oklch(59.9% 0.103 226.3);

Tailwind

colors: {
  custom: {
    50: '#77adc7',
    500: '#278caf',
    950: '#000000',
  },
}

SCSS

$custom: #278caf;
$custom-light: #77adc7;
$custom-dark: #000000;

JSON

{
  "hex": "#278caf",
  "rgb": {
    "r": 39,
    "g": 140,
    "b": 175
  },
  "hsl": {
    "h": 195.441,
    "s": 63.551,
    "l": 41.961
  },
  "oklch": {
    "l": 0.59941,
    "c": 0.10299,
    "h": 226.3
  },
  "luminance": 0.22283
}

Semantic roles & 50–950 ramp

primary

#278CAF

secondary

#C6836B

accent

#6C41E7

background

#F7FAFC

surface

#EEF4F8

border

#C9CED1

text

#0A1013

muted

#7C7F82

Preview Lab

Preview with #278CAF

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

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