#237F99#237F99

#237F99 is a mid, moderate cyan. Relative luminance 0.178; OKLCH L 55.6% C 0.091 H 221.3°. Best body text is #FFFFFF at 4.60:1 contrast (WCAG AA passes).

Color values

HEX	#237F99
RGB	rgb(35, 127, 153)
HSL	hsl(193, 63%, 37%)
HSV	hsv(193, 77%, 60%)
CMYK	cmyk(77.1%, 17%, 0%, 40%)
CIE-LAB	lab(49.29, -17.20, -21.54)
CIE-LCH	lch(49.29, 27.56, 231.40°)
OKLab	oklab(55.59% -0.0685 -0.0603)
OKLCH	oklch(55.59% 0.091 221.3)
XYZ	xyz(14.0299, 17.8343, 32.8337)
Luminance	0.1784 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#237F99 #993D23

analogous

#239978 #237F99 #234499

triadic

#237F99 #99237F #7F9923

tetradic

#237F99 #782399 #993D23 #449923

square

#237F99 #782399 #993D23 #449923

split-complementary

#237F99 #992344 #997823

monochromatic

#0C2C35 #185667 #237F99 #2EA8CB #5DBEDA

Accessibility & contrast

On white

4.60

#237F99 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.57

#237F99 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#FFFFFF on #237F99

4.60:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##237F99	#FFFFFF	#000000	##FFFFFF
##237F99	1.00	4.60	4.57	4.60
#FFFFFF	4.60	1.00	21.00	1.00
#000000	4.57	21.00	1.00	21.00
##FFFFFF	4.60	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#707C9A

Deuteranopia (green-blind)

#607099

Tritanopia (blue-blind)

#008787

Achromatopsia (no color)

#757575

Design tokens & code

CSS

--color: #237f99;
/* rgb */ color: rgb(35, 127, 153);
/* oklch */ color: oklch(55.6% 0.091 221.3);

Tailwind

colors: {
  custom: {
    50: '#71a4b7',
    500: '#237f99',
    950: '#000000',
  },
}

SCSS

$custom: #237f99;
$custom-light: #71a4b7;
$custom-dark: #000000;

JSON

{
  "hex": "#237f99",
  "rgb": {
    "r": 35,
    "g": 127,
    "b": 153
  },
  "hsl": {
    "h": 193.22,
    "s": 62.766,
    "l": 36.863
  },
  "oklch": {
    "l": 0.55587,
    "c": 0.09128,
    "h": 221.3
  },
  "luminance": 0.17836
}

Semantic roles & 50–950 ramp

primary

#237F99

secondary

#BE7059

accent

#6642E6

background

#F7FAFB

surface

#EDF4F6

border

#C8CED0

text

#090F11

muted

#7B7F80

Preview Lab

Preview with #237F99

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

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