#278AAD#278AAD

#278AAD is a mid, moderate cyan. Relative luminance 0.216; OKLCH L 59.4% C 0.102 H 226.7°. Best body text is #000000 at 5.32:1 contrast (WCAG AA passes).

Color values

HEX	#278AAD
RGB	rgb(39, 138, 173)
HSL	hsl(196, 63%, 42%)
HSV	hsv(196, 77%, 68%)
CMYK	cmyk(77.5%, 20.2%, 0%, 32.2%)
CIE-LAB	lab(53.63, -15.85, -26.44)
CIE-LCH	lch(53.63, 30.83, 239.06°)
OKLab	oklab(59.35% -0.07 -0.0742)
OKLCH	oklch(59.35% 0.102 226.7)
XYZ	xyz(17.4649, 21.6233, 42.7803)
Luminance	0.2162 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#278AAD #AD4A27

analogous

#27AD8D #278AAD #2747AD

triadic

#278AAD #AD278A #8AAD27

tetradic

#278AAD #8D27AD #AD4A27 #47AD27

square

#278AAD #8D27AD #AD4A27 #47AD27

split-complementary

#278AAD #AD2747 #AD8D27

monochromatic

#103A49 #1C627B #278AAD #3EACD3 #70C2DF

Accessibility & contrast

On white

3.94

#278AAD on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.32

#278AAD on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #278AAD

5.32:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##278AAD	#FFFFFF	#000000	##000000
##278AAD	1.00	3.94	5.32	5.32
#FFFFFF	3.94	1.00	21.00	21.00
#000000	5.32	21.00	1.00	1.00
##000000	5.32	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#7787AF

Deuteranopia (green-blind)

#657BAD

Tritanopia (blue-blind)

#009496

Achromatopsia (no color)

#808080

Design tokens & code

CSS

--color: #278aad;
/* rgb */ color: rgb(39, 138, 173);
/* oklch */ color: oklch(59.4% 0.102 226.7);

Tailwind

colors: {
  custom: {
    50: '#76acc5',
    500: '#278aad',
    950: '#000000',
  },
}

SCSS

$custom: #278aad;
$custom-light: #76acc5;
$custom-dark: #000000;

JSON

{
  "hex": "#278aad",
  "rgb": {
    "r": 39,
    "g": 138,
    "b": 173
  },
  "hsl": {
    "h": 195.672,
    "s": 63.208,
    "l": 41.569
  },
  "oklch": {
    "l": 0.59354,
    "c": 0.10203,
    "h": 226.7
  },
  "luminance": 0.21625
}

Semantic roles & 50–950 ramp

primary

#278AAD

secondary

#C6826A

accent

#6D42E6

background

#F7FAFC

surface

#EEF4F8

border

#C9CED1

text

#0A1013

muted

#7C7F82

Preview Lab

Preview with #278AAD

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

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