#228BB2#228BB2

#228BB2 is a mid, moderate cyan. Relative luminance 0.220; OKLCH L 59.7% C 0.107 H 228.6°. Best body text is #000000 at 5.40:1 contrast (WCAG AA passes).

Color values

HEX	#228BB2
RGB	rgb(34, 139, 178)
HSL	hsl(196, 68%, 42%)
HSV	hsv(196, 81%, 70%)
CMYK	cmyk(80.9%, 21.9%, 0%, 30.2%)
CIE-LAB	lab(54.05, -15.19, -28.66)
CIE-LCH	lch(54.05, 32.44, 242.08°)
OKLab	oklab(59.73% -0.0711 -0.0806)
OKLCH	oklch(59.73% 0.107 228.6)
XYZ	xyz(17.9249, 22.0174, 45.4159)
Luminance	0.2202 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#228BB2 #B24922

analogous

#22B291 #228BB2 #2243B2

triadic

#228BB2 #B2228B #8BB222

tetradic

#228BB2 #9122B2 #B24922 #43B222

square

#228BB2 #9122B2 #B24922 #43B222

split-complementary

#228BB2 #B22243 #B29122

monochromatic

#0E3B4B #18637F #228BB2 #38ADD9 #6CC3E3

Accessibility & contrast

On white

3.89

#228BB2 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.40

#228BB2 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #228BB2

5.40:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##228BB2	#FFFFFF	#000000	##000000
##228BB2	1.00	3.89	5.40	5.40
#FFFFFF	3.89	1.00	21.00	21.00
#000000	5.40	21.00	1.00	1.00
##000000	5.40	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#7789B4

Deuteranopia (green-blind)

#647BB1

Tritanopia (blue-blind)

#009698

Achromatopsia (no color)

#818181

Design tokens & code

CSS

--color: #228bb2;
/* rgb */ color: rgb(34, 139, 178);
/* oklch */ color: oklch(59.7% 0.107 228.6);

Tailwind

colors: {
  custom: {
    50: '#76adc9',
    500: '#228bb2',
    950: '#000000',
  },
}

SCSS

$custom: #228bb2;
$custom-light: #76adc9;
$custom-dark: #000000;

JSON

{
  "hex": "#228bb2",
  "rgb": {
    "r": 34,
    "g": 139,
    "b": 178
  },
  "hsl": {
    "h": 196.25,
    "s": 67.925,
    "l": 41.569
  },
  "oklch": {
    "l": 0.59732,
    "c": 0.10748,
    "h": 228.6
  },
  "luminance": 0.2202
}

Semantic roles & 50–950 ramp

primary

#228BB2

secondary

#C98167

accent

#6C3DEB

background

#F7FAFC

surface

#EEF4F8

border

#C9CED1

text

#0A1013

muted

#7C7F82

Preview Lab

Preview with #228BB2

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

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