#2783A8#2783A8

#2783A8 is a mid, moderate cyan. Relative luminance 0.195; OKLCH L 57.4% C 0.100 H 229.7°. Best body text is #000000 at 4.90:1 contrast (WCAG AA passes).

Color values

HEX	#2783A8
RGB	rgb(39, 131, 168)
HSL	hsl(197, 62%, 41%)
HSV	hsv(197, 77%, 66%)
CMYK	cmyk(76.8%, 22%, 0%, 34.1%)
CIE-LAB	lab(51.25, -13.71, -27.23)
CIE-LCH	lch(51.25, 30.49, 243.28°)
OKLab	oklab(57.39% -0.065 -0.0765)
OKLCH	oklch(57.39% 0.1 229.7)
XYZ	xyz(16.0180, 19.4892, 39.9558)
Luminance	0.1949 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2783A8 #A84C27

analogous

#27A88C #2783A8 #2743A8

triadic

#2783A8 #A82783 #83A827

tetradic

#2783A8 #8C27A8 #A84C27 #43A827

square

#2783A8 #8C27A8 #A84C27 #43A827

split-complementary

#2783A8 #A82743 #A88C27

monochromatic

#103645 #1B5C76 #2783A8 #3BA6D1 #6CBDDD

Accessibility & contrast

On white

4.29

#2783A8 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

4.90

#2783A8 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #2783A8

4.90:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2783A8	#FFFFFF	#000000	##000000
##2783A8	1.00	4.29	4.90	4.90
#FFFFFF	4.29	1.00	21.00	21.00
#000000	4.90	21.00	1.00	1.00
##000000	4.90	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#7081AA

Deuteranopia (green-blind)

#5F75A7

Tritanopia (blue-blind)

#008D8F

Achromatopsia (no color)

#7A7A7A

Design tokens & code

CSS

--color: #2783a8;
/* rgb */ color: rgb(39, 131, 168);
/* oklch */ color: oklch(57.4% 0.100 229.7);

Tailwind

colors: {
  custom: {
    50: '#75a7c2',
    500: '#2783a8',
    950: '#000000',
  },
}

SCSS

$custom: #2783a8;
$custom-light: #75a7c2;
$custom-dark: #000000;

JSON

{
  "hex": "#2783a8",
  "rgb": {
    "r": 39,
    "g": 131,
    "b": 168
  },
  "hsl": {
    "h": 197.209,
    "s": 62.319,
    "l": 40.588
  },
  "oklch": {
    "l": 0.57388,
    "c": 0.10041,
    "h": 229.7
  },
  "luminance": 0.19491
}

Semantic roles & 50–950 ramp

primary

#2783A8

secondary

#C38267

accent

#7142E5

background

#F7FAFB

surface

#EEF4F7

border

#C9CED0

text

#0A0F12

muted

#7C7F81

Preview Lab

Preview with #2783A8

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

Preview Lab → · Contrast checker → · Palette generator →