#2878A3#2878A3

#2878A3 is a mid, moderate cyan. Relative luminance 0.165; OKLCH L 54.5% C 0.101 H 236.7°. Best body text is #FFFFFF at 4.88:1 contrast (WCAG AA passes).

Color values

HEX	#2878A3
RGB	rgb(40, 120, 163)
HSL	hsl(201, 61%, 40%)
HSV	hsv(201, 75%, 64%)
CMYK	cmyk(75.5%, 26.4%, 0%, 36.1%)
CIE-LAB	lab(47.66, -9.08, -29.92)
CIE-LCH	lch(47.66, 31.26, 253.12°)
OKLab	oklab(54.46% -0.0554 -0.0844)
OKLCH	oklch(54.46% 0.101 236.7)
XYZ	xyz(14.1998, 16.5267, 37.0848)
Luminance	0.1653 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2878A3 #A35328

analogous

#28A391 #2878A3 #283AA3

triadic

#2878A3 #A32878 #78A328

tetradic

#2878A3 #9128A3 #A35328 #3AA328

square

#2878A3 #9128A3 #A35328 #3AA328

split-complementary

#2878A3 #A3283A #A39128

monochromatic

#103041 #1C5472 #2878A3 #3A9ACF #6BB4DB

Accessibility & contrast

On white

4.88

#2878A3 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.31

#2878A3 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #2878A3

4.88:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2878A3	#FFFFFF	#000000	##FFFFFF
##2878A3	1.00	4.88	4.31	4.88
#FFFFFF	4.88	1.00	21.00	1.00
#000000	4.31	21.00	1.00	21.00
##FFFFFF	4.88	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#6378A5

Deuteranopia (green-blind)

#536CA2

Tritanopia (blue-blind)

#008387

Achromatopsia (no color)

#717171

Design tokens & code

CSS

--color: #2878a3;
/* rgb */ color: rgb(40, 120, 163);
/* oklch */ color: oklch(54.5% 0.101 236.7);

Tailwind

colors: {
  custom: {
    50: '#749ebe',
    500: '#2878a3',
    950: '#000000',
  },
}

SCSS

$custom: #2878a3;
$custom-light: #749ebe;
$custom-dark: #000000;

JSON

{
  "hex": "#2878a3",
  "rgb": {
    "r": 40,
    "g": 120,
    "b": 163
  },
  "hsl": {
    "h": 200.976,
    "s": 60.591,
    "l": 39.804
  },
  "oklch": {
    "l": 0.54455,
    "c": 0.10093,
    "h": 236.7
  },
  "luminance": 0.16528
}

Semantic roles & 50–950 ramp

primary

#2878A3

secondary

#C18666

accent

#7C44E4

background

#F7F9FB

surface

#EEF2F7

border

#C9CCD0

text

#090E12

muted

#7B7E81

Preview Lab

Preview with #2878A3

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

Preview Lab → · Contrast checker → · Palette generator →