#228AB4#228AB4

#228AB4 is a mid, moderate cyan. Relative luminance 0.218; OKLCH L 59.6% C 0.110 H 230.8°. Best body text is #000000 at 5.36:1 contrast (WCAG AA passes).

Color values

HEX	#228AB4
RGB	rgb(34, 138, 180)
HSL	hsl(197, 68%, 42%)
HSV	hsv(197, 81%, 71%)
CMYK	cmyk(81.1%, 23.3%, 0%, 29.4%)
CIE-LAB	lab(53.82, -13.93, -30.15)
CIE-LCH	lch(53.82, 33.21, 245.21°)
OKLab	oklab(59.58% -0.0694 -0.0849)
OKLCH	oklch(59.58% 0.11 230.8)
XYZ	xyz(17.9830, 21.8101, 46.4331)
Luminance	0.2181 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#228AB4 #B44C22

analogous

#22B495 #228AB4 #2241B4

triadic

#228AB4 #B4228A #8AB422

tetradic

#228AB4 #9522B4 #B44C22 #41B422

square

#228AB4 #9522B4 #B44C22 #41B422

split-complementary

#228AB4 #B42241 #B49522

monochromatic

#0F3B4D #186381 #228AB4 #3AACDA #6DC1E3

Accessibility & contrast

On white

3.92

#228AB4 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.36

#228AB4 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #228AB4

5.36:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##228AB4	#FFFFFF	#000000	##000000
##228AB4	1.00	3.92	5.36	5.36
#FFFFFF	3.92	1.00	21.00	21.00
#000000	5.36	21.00	1.00	1.00
##000000	5.36	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#7588B6

Deuteranopia (green-blind)

#617BB3

Tritanopia (blue-blind)

#009598

Achromatopsia (no color)

#818181

Design tokens & code

CSS

--color: #228ab4;
/* rgb */ color: rgb(34, 138, 180);
/* oklch */ color: oklch(59.6% 0.110 230.8);

Tailwind

colors: {
  custom: {
    50: '#76acca',
    500: '#228ab4',
    950: '#000000',
  },
}

SCSS

$custom: #228ab4;
$custom-light: #76acca;
$custom-dark: #000000;

JSON

{
  "hex": "#228ab4",
  "rgb": {
    "r": 34,
    "g": 138,
    "b": 180
  },
  "hsl": {
    "h": 197.26,
    "s": 68.224,
    "l": 41.961
  },
  "oklch": {
    "l": 0.59584,
    "c": 0.10967,
    "h": 230.8
  },
  "luminance": 0.21812
}

Semantic roles & 50–950 ramp

primary

#228AB4

secondary

#CA8468

accent

#6F3DEB

background

#F7FAFC

surface

#EEF4F8

border

#C9CED1

text

#0A1013

muted

#7C7F82

Preview Lab

Preview with #228AB4

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

Preview Lab → · Contrast checker → · Palette generator →