#237A9F#237A9F

#237A9F is a mid, moderate cyan. Relative luminance 0.168; OKLCH L 54.6% C 0.098 H 231.2°. Best body text is #FFFFFF at 4.82:1 contrast (WCAG AA passes).

Color values

HEX	#237A9F
RGB	rgb(35, 122, 159)
HSL	hsl(198, 64%, 38%)
HSV	hsv(198, 78%, 62%)
CMYK	cmyk(78%, 23.3%, 0%, 37.6%)
CIE-LAB	lab(47.98, -12.29, -27.09)
CIE-LCH	lch(47.98, 29.74, 245.59°)
OKLab	oklab(54.62% -0.0612 -0.0762)
OKLCH	oklch(54.62% 0.098 231.2)
XYZ	xyz(13.9081, 16.7779, 35.2996)
Luminance	0.1678 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#237A9F #9F4823

analogous

#239F86 #237A9F #233C9F

triadic

#237A9F #9F237A #7A9F23

tetradic

#237A9F #86239F #9F4823 #3C9F23

square

#237A9F #86239F #9F4823 #3C9F23

split-complementary

#237A9F #9F233C #9F8623

monochromatic

#0D2D3B #18546D #237A9F #2EA0D1 #60B7DC

Accessibility & contrast

On white

4.82

#237A9F on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.36

#237A9F on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #237A9F

4.82:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##237A9F	#FFFFFF	#000000	##FFFFFF
##237A9F	1.00	4.82	4.36	4.82
#FFFFFF	4.82	1.00	21.00	1.00
#000000	4.36	21.00	1.00	21.00
##FFFFFF	4.82	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#6778A1

Deuteranopia (green-blind)

#576D9E

Tritanopia (blue-blind)

#008486

Achromatopsia (no color)

#727272

Design tokens & code

CSS

--color: #237a9f;
/* rgb */ color: rgb(35, 122, 159);
/* oklch */ color: oklch(54.6% 0.098 231.2);

Tailwind

colors: {
  custom: {
    50: '#72a0bb',
    500: '#237a9f',
    950: '#000000',
  },
}

SCSS

$custom: #237a9f;
$custom-light: #72a0bb;
$custom-dark: #000000;

JSON

{
  "hex": "#237a9f",
  "rgb": {
    "r": 35,
    "g": 122,
    "b": 159
  },
  "hsl": {
    "h": 197.903,
    "s": 63.918,
    "l": 38.039
  },
  "oklch": {
    "l": 0.54617,
    "c": 0.09775,
    "h": 231.2
  },
  "luminance": 0.1678
}

Semantic roles & 50–950 ramp

primary

#237A9F

secondary

#C17B5D

accent

#7241E7

background

#F7F9FB

surface

#EDF2F6

border

#C8CCD0

text

#090E12

muted

#7B7E81

Preview Lab

Preview with #237A9F

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

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