#228DB4#228DB4

#228DB4 is a mid, moderate cyan. Relative luminance 0.227; OKLCH L 60.3% C 0.108 H 228.2°. Best body text is #000000 at 5.54:1 contrast (WCAG AA passes).

Color values

HEX	#228DB4
RGB	rgb(34, 141, 180)
HSL	hsl(196, 68%, 42%)
HSV	hsv(196, 81%, 71%)
CMYK	cmyk(81.1%, 21.7%, 0%, 29.4%)
CIE-LAB	lab(54.74, -15.59, -28.72)
CIE-LCH	lch(54.74, 32.68, 241.51°)
OKLab	oklab(60.32% -0.0722 -0.0808)
OKLCH	oklch(60.32% 0.108 228.2)
XYZ	xyz(18.4194, 22.6828, 46.5786)
Luminance	0.2268 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#228DB4 #B44922

analogous

#22B492 #228DB4 #2244B4

triadic

#228DB4 #B4228D #8DB422

tetradic

#228DB4 #9222B4 #B44922 #44B422

square

#228DB4 #9222B4 #B44922 #44B422

split-complementary

#228DB4 #B42244 #B49222

monochromatic

#0F3C4D #186581 #228DB4 #3AAFDA #6DC4E3

Accessibility & contrast

On white

3.79

#228DB4 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.54

#228DB4 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #228DB4

5.54:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##228DB4	#FFFFFF	#000000	##000000
##228DB4	1.00	3.79	5.54	5.54
#FFFFFF	3.79	1.00	21.00	21.00
#000000	5.54	21.00	1.00	1.00
##000000	5.54	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#788BB6

Deuteranopia (green-blind)

#657DB3

Tritanopia (blue-blind)

#00989A

Achromatopsia (no color)

#838383

Design tokens & code

CSS

--color: #228db4;
/* rgb */ color: rgb(34, 141, 180);
/* oklch */ color: oklch(60.3% 0.108 228.2);

Tailwind

colors: {
  custom: {
    50: '#76aeca',
    500: '#228db4',
    950: '#000000',
  },
}

SCSS

$custom: #228db4;
$custom-light: #76aeca;
$custom-dark: #000000;

JSON

{
  "hex": "#228db4",
  "rgb": {
    "r": 34,
    "g": 141,
    "b": 180
  },
  "hsl": {
    "h": 196.027,
    "s": 68.224,
    "l": 41.961
  },
  "oklch": {
    "l": 0.60319,
    "c": 0.10837,
    "h": 228.2
  },
  "luminance": 0.22685
}

Semantic roles & 50–950 ramp

primary

#228DB4

secondary

#CA8268

accent

#6B3DEB

background

#F7FAFC

surface

#EEF4F8

border

#C9CED1

text

#0A1013

muted

#7C7F82

Preview Lab

Preview with #228DB4

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

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