#2883B1#2883B1

#2883B1 is a mid, moderate cyan. Relative luminance 0.199; OKLCH L 57.9% C 0.109 H 235.6°. Best body text is #000000 at 4.97:1 contrast (WCAG AA passes).

Color values

HEX	#2883B1
RGB	rgb(40, 131, 177)
HSL	hsl(200, 63%, 43%)
HSV	hsv(200, 77%, 69%)
CMYK	cmyk(77.4%, 26%, 0%, 30.6%)
CIE-LAB	lab(51.67, -10.41, -31.77)
CIE-LCH	lch(51.67, 33.43, 251.87°)
OKLab	oklab(57.86% -0.0613 -0.0896)
OKLCH	oklch(57.86% 0.109 235.6)
XYZ	xyz(16.9240, 19.8560, 44.5271)
Luminance	0.1986 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2883B1 #B15628

analogous

#28B19B #2883B1 #283EB1

triadic

#2883B1 #B12883 #83B128

tetradic

#2883B1 #9B28B1 #B15628 #3EB128

square

#2883B1 #9B28B1 #B15628 #3EB128

split-complementary

#2883B1 #B1283E #B19B28

monochromatic

#11394D #1D5E7F #2883B1 #42A3D4 #74BBE0

Accessibility & contrast

On white

4.22

#2883B1 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

4.97

#2883B1 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #2883B1

4.97:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2883B1	#FFFFFF	#000000	##000000
##2883B1	1.00	4.22	4.97	4.97
#FFFFFF	4.22	1.00	21.00	21.00
#000000	4.97	21.00	1.00	1.00
##000000	4.97	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#6D82B3

Deuteranopia (green-blind)

#5A75B0

Tritanopia (blue-blind)

#008F93

Achromatopsia (no color)

#7B7B7B

Design tokens & code

CSS

--color: #2883b1;
/* rgb */ color: rgb(40, 131, 177);
/* oklch */ color: oklch(57.9% 0.109 235.6);

Tailwind

colors: {
  custom: {
    50: '#77a7c8',
    500: '#2883b1',
    950: '#000000',
  },
}

SCSS

$custom: #2883b1;
$custom-light: #77a7c8;
$custom-dark: #000000;

JSON

{
  "hex": "#2883b1",
  "rgb": {
    "r": 40,
    "g": 131,
    "b": 177
  },
  "hsl": {
    "h": 200.146,
    "s": 63.134,
    "l": 42.549
  },
  "oklch": {
    "l": 0.5786,
    "c": 0.1086,
    "h": 235.6
  },
  "luminance": 0.19858
}

Semantic roles & 50–950 ramp

primary

#2883B1

secondary

#C78C6E

accent

#7942E6

background

#F7FAFC

surface

#EEF4F8

border

#C9CED1

text

#0A0F13

muted

#7C7F82

Preview Lab

Preview with #2883B1

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

Preview Lab → · Contrast checker → · Palette generator →