#238DA3#238DA3

#238DA3 is a mid, moderate cyan. Relative luminance 0.221; OKLCH L 59.6% C 0.096 H 215.4°. Best body text is #000000 at 5.41:1 contrast (WCAG AA passes).

Color values

HEX	#238DA3
RGB	rgb(35, 141, 163)
HSL	hsl(190, 65%, 39%)
HSV	hsv(190, 79%, 64%)
CMYK	cmyk(78.5%, 13.5%, 0%, 36.1%)
CIE-LAB	lab(54.08, -21.32, -20.00)
CIE-LCH	lch(54.08, 29.23, 223.17°)
OKLab	oklab(59.57% -0.0785 -0.0558)
OKLCH	oklch(59.57% 0.096 215.4)
XYZ	xyz(16.8260, 22.0494, 38.0124)
Luminance	0.2205 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#238DA3 #A33923

analogous

#23A379 #238DA3 #234DA3

triadic

#238DA3 #A3238D #8DA323

tetradic

#238DA3 #7923A3 #A33923 #4DA323

square

#238DA3 #7923A3 #A33923 #4DA323

split-complementary

#238DA3 #A3234D #A37923

monochromatic

#0D363E #186171 #238DA3 #31B7D3 #63C8DD

Accessibility & contrast

On white

3.88

#238DA3 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.41

#238DA3 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #238DA3

5.41:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##238DA3	#FFFFFF	#000000	##000000
##238DA3	1.00	3.88	5.41	5.41
#FFFFFF	3.88	1.00	21.00	21.00
#000000	5.41	21.00	1.00	1.00
##000000	5.41	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#7E88A4

Deuteranopia (green-blind)

#6D7CA3

Tritanopia (blue-blind)

#009594

Achromatopsia (no color)

#818181

Design tokens & code

CSS

--color: #238da3;
/* rgb */ color: rgb(35, 141, 163);
/* oklch */ color: oklch(59.6% 0.096 215.4);

Tailwind

colors: {
  custom: {
    50: '#74aebe',
    500: '#238da3',
    950: '#000000',
  },
}

SCSS

$custom: #238da3;
$custom-light: #74aebe;
$custom-dark: #000000;

JSON

{
  "hex": "#238da3",
  "rgb": {
    "r": 35,
    "g": 141,
    "b": 163
  },
  "hsl": {
    "h": 190.313,
    "s": 64.646,
    "l": 38.824
  },
  "oklch": {
    "l": 0.59565,
    "c": 0.09637,
    "h": 215.4
  },
  "luminance": 0.22051
}

Semantic roles & 50–950 ramp

primary

#238DA3

secondary

#C3705F

accent

#5D40E8

background

#F7FAFB

surface

#EEF4F6

border

#C9CED0

text

#091012

muted

#7B7F81

Preview Lab

Preview with #238DA3

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

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