#2287B3#2287B3

#2287B3 is a mid, moderate cyan. Relative luminance 0.209; OKLCH L 58.8% C 0.110 H 232.6°. Best body text is #000000 at 5.18:1 contrast (WCAG AA passes).

Color values

HEX	#2287B3
RGB	rgb(34, 135, 179)
HSL	hsl(198, 68%, 42%)
HSV	hsv(198, 81%, 70%)
CMYK	cmyk(81%, 24.6%, 0%, 29.8%)
CIE-LAB	lab(52.86, -12.61, -31.08)
CIE-LCH	lch(52.86, 33.54, 247.92°)
OKLab	oklab(58.8% -0.0669 -0.0876)
OKLCH	oklch(58.8% 0.11 232.6)
XYZ	xyz(17.4570, 20.9205, 45.7571)
Luminance	0.2092 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2287B3 #B34E22

analogous

#22B397 #2287B3 #223FB3

triadic

#2287B3 #B32287 #87B322

tetradic

#2287B3 #9722B3 #B34E22 #3FB322

square

#2287B3 #9722B3 #B34E22 #3FB322

split-complementary

#2287B3 #B3223F #B39722

monochromatic

#0E394C #186080 #2287B3 #39A9D9 #6CBFE3

Accessibility & contrast

On white

4.05

#2287B3 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.18

#2287B3 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #2287B3

5.18:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2287B3	#FFFFFF	#000000	##000000
##2287B3	1.00	4.05	5.18	5.18
#FFFFFF	4.05	1.00	21.00	21.00
#000000	5.18	21.00	1.00	1.00
##000000	5.18	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#7186B5

Deuteranopia (green-blind)

#5E78B2

Tritanopia (blue-blind)

#009396

Achromatopsia (no color)

#7E7E7E

Design tokens & code

CSS

--color: #2287b3;
/* rgb */ color: rgb(34, 135, 179);
/* oklch */ color: oklch(58.8% 0.110 232.6);

Tailwind

colors: {
  custom: {
    50: '#76aaca',
    500: '#2287b3',
    950: '#000000',
  },
}

SCSS

$custom: #2287b3;
$custom-light: #76aaca;
$custom-dark: #000000;

JSON

{
  "hex": "#2287b3",
  "rgb": {
    "r": 34,
    "g": 135,
    "b": 179
  },
  "hsl": {
    "h": 198.207,
    "s": 68.075,
    "l": 41.765
  },
  "oklch": {
    "l": 0.58801,
    "c": 0.11026,
    "h": 232.6
  },
  "luminance": 0.20923
}

Semantic roles & 50–950 ramp

primary

#2287B3

secondary

#C98568

accent

#723DEB

background

#F7FAFC

surface

#EEF4F8

border

#C9CED1

text

#0A1013

muted

#7C7F82

Preview Lab

Preview with #2287B3

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

Preview Lab → · Contrast checker → · Palette generator →