#237B91#237B91

#237B91 is a mid, moderate cyan. Relative luminance 0.166; OKLCH L 54.2% C 0.087 H 218.5°. Best body text is #FFFFFF at 4.87:1 contrast (WCAG AA passes).

Color values

HEX	#237B91
RGB	rgb(35, 123, 145)
HSL	hsl(192, 61%, 35%)
HSV	hsv(192, 76%, 57%)
CMYK	cmyk(75.9%, 15.2%, 0%, 43.1%)
CIE-LAB	lab(47.71, -17.75, -19.28)
CIE-LCH	lch(47.71, 26.21, 227.36°)
OKLab	oklab(54.21% -0.0677 -0.0538)
OKLCH	oklch(54.21% 0.087 218.5)
XYZ	xyz(12.8848, 16.5660, 29.3011)
Luminance	0.1657 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#237B91 #913923

analogous

#239170 #237B91 #234491

triadic

#237B91 #91237B #7B9123

tetradic

#237B91 #702391 #913923 #449123

square

#237B91 #702391 #913923 #449123

split-complementary

#237B91 #912344 #917023

monochromatic

#0B272E #175160 #237B91 #2FA5C2 #58BDD7

Accessibility & contrast

On white

4.87

#237B91 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.31

#237B91 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #237B91

4.87:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##237B91	#FFFFFF	#000000	##FFFFFF
##237B91	1.00	4.87	4.31	4.87
#FFFFFF	4.87	1.00	21.00	1.00
#000000	4.31	21.00	1.00	21.00
##FFFFFF	4.87	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#6D7792

Deuteranopia (green-blind)

#5E6C91

Tritanopia (blue-blind)

#008282

Achromatopsia (no color)

#717171

Design tokens & code

CSS

--color: #237b91;
/* rgb */ color: rgb(35, 123, 145);
/* oklch */ color: oklch(54.2% 0.087 218.5);

Tailwind

colors: {
  custom: {
    50: '#6fa1b1',
    500: '#237b91',
    950: '#000000',
  },
}

SCSS

$custom: #237b91;
$custom-light: #6fa1b1;
$custom-dark: #000000;

JSON

{
  "hex": "#237b91",
  "rgb": {
    "r": 35,
    "g": 123,
    "b": 145
  },
  "hsl": {
    "h": 192,
    "s": 61.111,
    "l": 35.294
  },
  "oklch": {
    "l": 0.54207,
    "c": 0.08651,
    "h": 218.5
  },
  "luminance": 0.16568
}

Semantic roles & 50–950 ramp

primary

#237B91

secondary

#BB6955

accent

#6444E4

background

#F7F9FA

surface

#EDF2F5

border

#C8CCCF

text

#080F10

muted

#7B7E7F

Preview Lab

Preview with #237B91

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

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