#238CA8#238CA8

#238CA8 is a mid, moderate cyan. Relative luminance 0.219; OKLCH L 59.5% C 0.099 H 220.5°. Best body text is #000000 at 5.39:1 contrast (WCAG AA passes).

Color values

HEX	#238CA8
RGB	rgb(35, 140, 168)
HSL	hsl(193, 66%, 40%)
HSV	hsv(193, 79%, 66%)
CMYK	cmyk(79.2%, 16.7%, 0%, 34.1%)
CIE-LAB	lab(53.96, -19.10, -23.06)
CIE-LCH	lch(53.96, 29.94, 230.37°)
OKLab	oklab(59.53% -0.0755 -0.0645)
OKLCH	oklch(59.53% 0.099 220.5)
XYZ	xyz(17.1361, 21.9385, 40.3696)
Luminance	0.2194 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#238CA8 #A83F23

analogous

#23A882 #238CA8 #2349A8

triadic

#238CA8 #A8238C #8CA823

tetradic

#238CA8 #8223A8 #A83F23 #49A823

square

#238CA8 #8223A8 #A83F23 #49A823

split-complementary

#238CA8 #A82349 #A88223

monochromatic

#0E3843 #186275 #238CA8 #34B3D5 #66C6DF

Accessibility & contrast

On white

3.90

#238CA8 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.39

#238CA8 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #238CA8

5.39:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##238CA8	#FFFFFF	#000000	##000000
##238CA8	1.00	3.90	5.39	5.39
#FFFFFF	3.90	1.00	21.00	21.00
#000000	5.39	21.00	1.00	1.00
##000000	5.39	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#7B88A9

Deuteranopia (green-blind)

#697BA8

Tritanopia (blue-blind)

#009595

Achromatopsia (no color)

#818181

Design tokens & code

CSS

--color: #238ca8;
/* rgb */ color: rgb(35, 140, 168);
/* oklch */ color: oklch(59.5% 0.099 220.5);

Tailwind

colors: {
  custom: {
    50: '#74adc2',
    500: '#238ca8',
    950: '#000000',
  },
}

SCSS

$custom: #238ca8;
$custom-light: #74adc2;
$custom-dark: #000000;

JSON

{
  "hex": "#238ca8",
  "rgb": {
    "r": 35,
    "g": 140,
    "b": 168
  },
  "hsl": {
    "h": 192.632,
    "s": 65.517,
    "l": 39.804
  },
  "oklch": {
    "l": 0.59534,
    "c": 0.09934,
    "h": 220.5
  },
  "luminance": 0.21941
}

Semantic roles & 50–950 ramp

primary

#238CA8

secondary

#C57762

accent

#633FE8

background

#F7FAFB

surface

#EEF4F7

border

#C9CED0

text

#0A1012

muted

#7C7F81

Preview Lab

Preview with #238CA8

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

Preview Lab → · Contrast checker → · Palette generator →