#238DA4#238DA4

#238DA4 is a mid, moderate cyan. Relative luminance 0.221; OKLCH L 59.6% C 0.097 H 216.3°. Best body text is #000000 at 5.42:1 contrast (WCAG AA passes).

Color values

HEX	#238DA4
RGB	rgb(35, 141, 164)
HSL	hsl(191, 65%, 39%)
HSV	hsv(191, 79%, 64%)
CMYK	cmyk(78.7%, 14%, 0%, 35.7%)
CIE-LAB	lab(54.12, -20.98, -20.52)
CIE-LCH	lch(54.12, 29.35, 224.36°)
OKLab	oklab(59.61% -0.0781 -0.0573)
OKLCH	oklch(59.61% 0.097 216.3)
XYZ	xyz(16.9160, 22.0853, 38.4861)
Luminance	0.2209 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#238DA4 #A43A23

analogous

#23A47B #238DA4 #234DA4

triadic

#238DA4 #A4238D #8DA423

tetradic

#238DA4 #7B23A4 #A43A23 #4DA423

square

#238DA4 #7B23A4 #A43A23 #4DA423

split-complementary

#238DA4 #A4234D #A47B23

monochromatic

#0D363F #186272 #238DA4 #31B6D3 #64C8DE

Accessibility & contrast

On white

3.88

#238DA4 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.42

#238DA4 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #238DA4

5.42:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##238DA4	#FFFFFF	#000000	##000000
##238DA4	1.00	3.88	5.42	5.42
#FFFFFF	3.88	1.00	21.00	21.00
#000000	5.42	21.00	1.00	1.00
##000000	5.42	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#7E89A5

Deuteranopia (green-blind)

#6C7CA4

Tritanopia (blue-blind)

#009594

Achromatopsia (no color)

#818181

Design tokens & code

CSS

--color: #238da4;
/* rgb */ color: rgb(35, 141, 164);
/* oklch */ color: oklch(59.6% 0.097 216.3);

Tailwind

colors: {
  custom: {
    50: '#74aebf',
    500: '#238da4',
    950: '#000000',
  },
}

SCSS

$custom: #238da4;
$custom-light: #74aebf;
$custom-dark: #000000;

JSON

{
  "hex": "#238da4",
  "rgb": {
    "r": 35,
    "g": 141,
    "b": 164
  },
  "hsl": {
    "h": 190.698,
    "s": 64.824,
    "l": 39.02
  },
  "oklch": {
    "l": 0.59608,
    "c": 0.09689,
    "h": 216.3
  },
  "luminance": 0.22087
}

Semantic roles & 50–950 ramp

primary

#238DA4

secondary

#C37160

accent

#5E40E8

background

#F7FAFB

surface

#EEF4F7

border

#C9CED0

text

#0A1012

muted

#7C7F81

Preview Lab

Preview with #238DA4

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

Preview Lab → · Contrast checker → · Palette generator →