#278AAE#278AAE

#278AAE is a mid, moderate cyan. Relative luminance 0.217; OKLCH L 59.4% C 0.103 H 227.4°. Best body text is #000000 at 5.33:1 contrast (WCAG AA passes).

Color values

HEX	#278AAE
RGB	rgb(39, 138, 174)
HSL	hsl(196, 63%, 42%)
HSV	hsv(196, 78%, 68%)
CMYK	cmyk(77.6%, 20.7%, 0%, 31.8%)
CIE-LAB	lab(53.67, -15.50, -26.95)
CIE-LCH	lch(53.67, 31.09, 240.09°)
OKLab	oklab(59.4% -0.0696 -0.0757)
OKLCH	oklch(59.4% 0.103 227.4)
XYZ	xyz(17.5620, 21.6622, 43.2918)
Luminance	0.2166 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#278AAE #AE4B27

analogous

#27AE8F #278AAE #2747AE

triadic

#278AAE #AE278A #8AAE27

tetradic

#278AAE #8F27AE #AE4B27 #47AE27

square

#278AAE #8F27AE #AE4B27 #47AE27

split-complementary

#278AAE #AE2747 #AE8F27

monochromatic

#113B4A #1C627C #278AAE #3EACD4 #70C2DF

Accessibility & contrast

On white

3.94

#278AAE on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.33

#278AAE on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #278AAE

5.33:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##278AAE	#FFFFFF	#000000	##000000
##278AAE	1.00	3.94	5.33	5.33
#FFFFFF	3.94	1.00	21.00	21.00
#000000	5.33	21.00	1.00	1.00
##000000	5.33	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#7787B0

Deuteranopia (green-blind)

#657BAE

Tritanopia (blue-blind)

#009496

Achromatopsia (no color)

#808080

Design tokens & code

CSS

--color: #278aae;
/* rgb */ color: rgb(39, 138, 174);
/* oklch */ color: oklch(59.4% 0.103 227.4);

Tailwind

colors: {
  custom: {
    50: '#76acc6',
    500: '#278aae',
    950: '#000000',
  },
}

SCSS

$custom: #278aae;
$custom-light: #76acc6;
$custom-dark: #000000;

JSON

{
  "hex": "#278aae",
  "rgb": {
    "r": 39,
    "g": 138,
    "b": 174
  },
  "hsl": {
    "h": 196,
    "s": 63.38,
    "l": 41.765
  },
  "oklch": {
    "l": 0.59401,
    "c": 0.10284,
    "h": 227.4
  },
  "luminance": 0.21664
}

Semantic roles & 50–950 ramp

primary

#278AAE

secondary

#C6836B

accent

#6D41E6

background

#F7FAFC

surface

#EEF4F8

border

#C9CED1

text

#0A1013

muted

#7C7F82

Preview Lab

Preview with #278AAE

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

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