#237A8F#237A8F

#237A8F is a mid, moderate cyan. Relative luminance 0.163; OKLCH L 53.9% C 0.085 H 217.7°. Best body text is #FFFFFF at 4.94:1 contrast (WCAG AA passes).

Color values

HEX	#237A8F
RGB	rgb(35, 122, 143)
HSL	hsl(192, 61%, 35%)
HSV	hsv(192, 76%, 56%)
CMYK	cmyk(75.5%, 14.7%, 0%, 43.9%)
CIE-LAB	lab(47.31, -17.89, -18.71)
CIE-LCH	lch(47.31, 25.89, 226.28°)
OKLab	oklab(53.86% -0.0675 -0.0522)
OKLCH	oklch(53.86% 0.085 217.7)
XYZ	xyz(12.6085, 16.2581, 28.4549)
Luminance	0.1626 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#237A8F #8F3823

analogous

#238F6E #237A8F #23448F

triadic

#237A8F #8F237A #7A8F23

tetradic

#237A8F #6E238F #8F3823 #448F23

square

#237A8F #6E238F #8F3823 #448F23

split-complementary

#237A8F #8F2344 #8F6E23

monochromatic

#0B262D #17505E #237A8F #2FA4C0 #57BDD6

Accessibility & contrast

On white

4.94

#237A8F on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.25

#237A8F on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #237A8F

4.94:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##237A8F	#FFFFFF	#000000	##FFFFFF
##237A8F	1.00	4.94	4.25	4.94
#FFFFFF	4.94	1.00	21.00	1.00
#000000	4.25	21.00	1.00	21.00
##FFFFFF	4.94	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#6C7690

Deuteranopia (green-blind)

#5E6C8F

Tritanopia (blue-blind)

#008181

Achromatopsia (no color)

#707070

Design tokens & code

CSS

--color: #237a8f;
/* rgb */ color: rgb(35, 122, 143);
/* oklch */ color: oklch(53.9% 0.085 217.7);

Tailwind

colors: {
  custom: {
    50: '#6fa0af',
    500: '#237a8f',
    950: '#000000',
  },
}

SCSS

$custom: #237a8f;
$custom-light: #6fa0af;
$custom-dark: #000000;

JSON

{
  "hex": "#237a8f",
  "rgb": {
    "r": 35,
    "g": 122,
    "b": 143
  },
  "hsl": {
    "h": 191.667,
    "s": 60.674,
    "l": 34.902
  },
  "oklch": {
    "l": 0.53861,
    "c": 0.08536,
    "h": 217.7
  },
  "luminance": 0.1626
}

Semantic roles & 50–950 ramp

primary

#237A8F

secondary

#BA6854

accent

#6344E4

background

#F7F9FA

surface

#EDF2F4

border

#C8CCCE

text

#080E10

muted

#7B7E7F

Preview Lab

Preview with #237A8F

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

Preview Lab → · Contrast checker → · Palette generator →