#2783AA#2783AA

#2783AA is a mid, moderate cyan. Relative luminance 0.196; OKLCH L 57.5% C 0.102 H 231.0°. Best body text is #000000 at 4.91:1 contrast (WCAG AA passes).

Color values

HEX	#2783AA
RGB	rgb(39, 131, 170)
HSL	hsl(198, 63%, 41%)
HSV	hsv(198, 77%, 67%)
CMYK	cmyk(77.1%, 22.9%, 0%, 33.3%)
CIE-LAB	lab(51.34, -13.01, -28.25)
CIE-LCH	lch(51.34, 31.10, 245.28°)
OKLab	oklab(57.49% -0.0642 -0.0795)
OKLCH	oklch(57.49% 0.102 231)
XYZ	xyz(16.2058, 19.5643, 40.9446)
Luminance	0.1957 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2783AA #AA4E27

analogous

#27AA8F #2783AA #2741AA

triadic

#2783AA #AA2783 #83AA27

tetradic

#2783AA #8F27AA #AA4E27 #41AA27

square

#2783AA #8F27AA #AA4E27 #41AA27

split-complementary

#2783AA #AA2741 #AA8F27

monochromatic

#103646 #1C5D78 #2783AA #3CA6D2 #6EBCDE

Accessibility & contrast

On white

4.27

#2783AA on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

4.91

#2783AA on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #2783AA

4.91:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2783AA	#FFFFFF	#000000	##000000
##2783AA	1.00	4.27	4.91	4.91
#FFFFFF	4.27	1.00	21.00	21.00
#000000	4.91	21.00	1.00	1.00
##000000	4.91	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#6F81AC

Deuteranopia (green-blind)

#5E75A9

Tritanopia (blue-blind)

#008E90

Achromatopsia (no color)

#7A7A7A

Design tokens & code

CSS

--color: #2783aa;
/* rgb */ color: rgb(39, 131, 170);
/* oklch */ color: oklch(57.5% 0.102 231.0);

Tailwind

colors: {
  custom: {
    50: '#75a7c3',
    500: '#2783aa',
    950: '#000000',
  },
}

SCSS

$custom: #2783aa;
$custom-light: #75a7c3;
$custom-dark: #000000;

JSON

{
  "hex": "#2783aa",
  "rgb": {
    "r": 39,
    "g": 131,
    "b": 170
  },
  "hsl": {
    "h": 197.863,
    "s": 62.679,
    "l": 40.98
  },
  "oklch": {
    "l": 0.57486,
    "c": 0.1022,
    "h": 231
  },
  "luminance": 0.19566
}

Semantic roles & 50–950 ramp

primary

#2783AA

secondary

#C48469

accent

#7342E6

background

#F7FAFC

surface

#EEF4F8

border

#C9CED1

text

#0A0F12

muted

#7C7F81

Preview Lab

Preview with #2783AA

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

Preview Lab → · Contrast checker → · Palette generator →