#237F9D#237F9D

#237F9D is a mid, moderate cyan. Relative luminance 0.180; OKLCH L 55.8% C 0.094 H 224.7°. Best body text is #000000 at 4.59:1 contrast (WCAG AA passes).

Color values

HEX	#237F9D
RGB	rgb(35, 127, 157)
HSL	hsl(195, 64%, 38%)
HSV	hsv(195, 78%, 62%)
CMYK	cmyk(77.7%, 19.1%, 0%, 38.4%)
CIE-LAB	lab(49.46, -15.81, -23.62)
CIE-LCH	lch(49.46, 28.43, 236.21°)
OKLab	oklab(55.77% -0.0669 -0.0662)
OKLCH	oklch(55.77% 0.094 224.7)
XYZ	xyz(14.3658, 17.9687, 34.6029)
Luminance	0.1797 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#237F9D #9D4123

analogous

#239D7E #237F9D #23429D

triadic

#237F9D #9D237F #7F9D23

tetradic

#237F9D #7E239D #9D4123 #429D23

square

#237F9D #7E239D #9D4123 #429D23

split-complementary

#237F9D #9D2342 #9D7E23

monochromatic

#0D2E39 #18576B #237F9D #2EA7CF #5FBDDB

Accessibility & contrast

On white

4.57

#237F9D on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.59

#237F9D on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #237F9D

4.59:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##237F9D	#FFFFFF	#000000	##000000
##237F9D	1.00	4.57	4.59	4.59
#FFFFFF	4.57	1.00	21.00	21.00
#000000	4.59	21.00	1.00	1.00
##000000	4.59	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#6E7C9F

Deuteranopia (green-blind)

#5E709D

Tritanopia (blue-blind)

#008889

Achromatopsia (no color)

#767676

Design tokens & code

CSS

--color: #237f9d;
/* rgb */ color: rgb(35, 127, 157);
/* oklch */ color: oklch(55.8% 0.094 224.7);

Tailwind

colors: {
  custom: {
    50: '#72a4ba',
    500: '#237f9d',
    950: '#000000',
  },
}

SCSS

$custom: #237f9d;
$custom-light: #72a4ba;
$custom-dark: #000000;

JSON

{
  "hex": "#237f9d",
  "rgb": {
    "r": 35,
    "g": 127,
    "b": 157
  },
  "hsl": {
    "h": 194.754,
    "s": 63.542,
    "l": 37.647
  },
  "oklch": {
    "l": 0.55772,
    "c": 0.09417,
    "h": 224.7
  },
  "luminance": 0.1797
}

Semantic roles & 50–950 ramp

primary

#237F9D

secondary

#C0745C

accent

#6A41E7

background

#F7FAFB

surface

#EDF4F6

border

#C8CED0

text

#090F11

muted

#7B7F80

Preview Lab

Preview with #237F9D

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

Preview Lab → · Contrast checker → · Palette generator →