#2878A4#2878A4

#2878A4 is a mid, moderate cyan. Relative luminance 0.166; OKLCH L 54.5% C 0.102 H 237.3°. Best body text is #FFFFFF at 4.87:1 contrast (WCAG AA passes).

Color values

HEX	#2878A4
RGB	rgb(40, 120, 164)
HSL	hsl(201, 61%, 40%)
HSV	hsv(201, 76%, 64%)
CMYK	cmyk(75.6%, 26.8%, 0%, 35.7%)
CIE-LAB	lab(47.70, -8.72, -30.43)
CIE-LCH	lch(47.70, 31.65, 254.01°)
OKLab	oklab(54.51% -0.055 -0.0859)
OKLCH	oklch(54.51% 0.102 237.3)
XYZ	xyz(14.2897, 16.5627, 37.5586)
Luminance	0.1656 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2878A4 #A45428

analogous

#28A492 #2878A4 #283AA4

triadic

#2878A4 #A42878 #78A428

tetradic

#2878A4 #9228A4 #A45428 #3AA428

square

#2878A4 #9228A4 #A45428 #3AA428

split-complementary

#2878A4 #A4283A #A49228

monochromatic

#103042 #1C5473 #2878A4 #3A9ACF #6BB3DB

Accessibility & contrast

On white

4.87

#2878A4 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.31

#2878A4 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #2878A4

4.87:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2878A4	#FFFFFF	#000000	##FFFFFF
##2878A4	1.00	4.87	4.31	4.87
#FFFFFF	4.87	1.00	21.00	1.00
#000000	4.31	21.00	1.00	21.00
##FFFFFF	4.87	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#6378A6

Deuteranopia (green-blind)

#526CA3

Tritanopia (blue-blind)

#008387

Achromatopsia (no color)

#717171

Design tokens & code

CSS

--color: #2878a4;
/* rgb */ color: rgb(40, 120, 164);
/* oklch */ color: oklch(54.5% 0.102 237.3);

Tailwind

colors: {
  custom: {
    50: '#749ebf',
    500: '#2878a4',
    950: '#000000',
  },
}

SCSS

$custom: #2878a4;
$custom-light: #749ebf;
$custom-dark: #000000;

JSON

{
  "hex": "#2878a4",
  "rgb": {
    "r": 40,
    "g": 120,
    "b": 164
  },
  "hsl": {
    "h": 201.29,
    "s": 60.784,
    "l": 40
  },
  "oklch": {
    "l": 0.54507,
    "c": 0.10199,
    "h": 237.3
  },
  "luminance": 0.16564
}

Semantic roles & 50–950 ramp

primary

#2878A4

secondary

#C18766

accent

#7D44E4

background

#F7F9FB

surface

#EEF2F7

border

#C9CCD0

text

#090E12

muted

#7B7E81

Preview Lab

Preview with #2878A4

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

Preview Lab → · Contrast checker → · Palette generator →