#2783AB#2783AB

#2783AB is a mid, moderate cyan. Relative luminance 0.196; OKLCH L 57.5% C 0.103 H 231.7°. Best body text is #000000 at 4.92:1 contrast (WCAG AA passes).

Color values

HEX	#2783AB
RGB	rgb(39, 131, 171)
HSL	hsl(198, 63%, 41%)
HSV	hsv(198, 77%, 67%)
CMYK	cmyk(77.2%, 23.4%, 0%, 32.9%)
CIE-LAB	lab(51.38, -12.65, -28.76)
CIE-LCH	lch(51.38, 31.42, 246.25°)
OKLab	oklab(57.54% -0.0639 -0.0809)
OKLCH	oklch(57.54% 0.103 231.7)
XYZ	xyz(16.3007, 19.6023, 41.4447)
Luminance	0.1960 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2783AB #AB4F27

analogous

#27AB91 #2783AB #2741AB

triadic

#2783AB #AB2783 #83AB27

tetradic

#2783AB #9127AB #AB4F27 #41AB27

square

#2783AB #9127AB #AB4F27 #41AB27

split-complementary

#2783AB #AB2741 #AB9127

monochromatic

#103747 #1C5D79 #2783AB #3DA5D3 #6EBCDE

Accessibility & contrast

On white

4.27

#2783AB on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

4.92

#2783AB on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #2783AB

4.92:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2783AB	#FFFFFF	#000000	##000000
##2783AB	1.00	4.27	4.92	4.92
#FFFFFF	4.27	1.00	21.00	21.00
#000000	4.92	21.00	1.00	1.00
##000000	4.92	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#6F81AD

Deuteranopia (green-blind)

#5D75AA

Tritanopia (blue-blind)

#008E90

Achromatopsia (no color)

#7A7A7A

Design tokens & code

CSS

--color: #2783ab;
/* rgb */ color: rgb(39, 131, 171);
/* oklch */ color: oklch(57.5% 0.103 231.7);

Tailwind

colors: {
  custom: {
    50: '#75a7c4',
    500: '#2783ab',
    950: '#000000',
  },
}

SCSS

$custom: #2783ab;
$custom-light: #75a7c4;
$custom-dark: #000000;

JSON

{
  "hex": "#2783ab",
  "rgb": {
    "r": 39,
    "g": 131,
    "b": 171
  },
  "hsl": {
    "h": 198.182,
    "s": 62.857,
    "l": 41.176
  },
  "oklch": {
    "l": 0.57535,
    "c": 0.10312,
    "h": 231.7
  },
  "luminance": 0.19604
}

Semantic roles & 50–950 ramp

primary

#2783AB

secondary

#C58569

accent

#7442E6

background

#F7FAFC

surface

#EEF4F8

border

#C9CED1

text

#0A0F12

muted

#7C7F81

Preview Lab

Preview with #2783AB

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

Preview Lab → · Contrast checker → · Palette generator →