#237B90#237B90

#237B90 is a mid, moderate cyan. Relative luminance 0.165; OKLCH L 54.2% C 0.086 H 217.5°. Best body text is #FFFFFF at 4.88:1 contrast (WCAG AA passes).

Color values

HEX	#237B90
RGB	rgb(35, 123, 144)
HSL	hsl(192, 61%, 35%)
HSV	hsv(192, 76%, 56%)
CMYK	cmyk(75.7%, 14.6%, 0%, 43.5%)
CIE-LAB	lab(47.67, -18.09, -18.75)
CIE-LCH	lch(47.67, 26.06, 226.02°)
OKLab	oklab(54.16% -0.0681 -0.0523)
OKLCH	oklch(54.16% 0.086 217.5)
XYZ	xyz(12.8080, 16.5353, 28.8968)
Luminance	0.1654 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#237B90 #903823

analogous

#23906F #237B90 #234490

triadic

#237B90 #90237B #7B9023

tetradic

#237B90 #6F2390 #903823 #449023

square

#237B90 #6F2390 #903823 #449023

split-complementary

#237B90 #902344 #906F23

monochromatic

#0B272E #17515F #237B90 #2FA5C1 #57BED6

Accessibility & contrast

On white

4.88

#237B90 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.31

#237B90 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #237B90

4.88:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##237B90	#FFFFFF	#000000	##FFFFFF
##237B90	1.00	4.88	4.31	4.88
#FFFFFF	4.88	1.00	21.00	1.00
#000000	4.31	21.00	1.00	21.00
##FFFFFF	4.88	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#6D7791

Deuteranopia (green-blind)

#5E6C90

Tritanopia (blue-blind)

#008282

Achromatopsia (no color)

#717171

Design tokens & code

CSS

--color: #237b90;
/* rgb */ color: rgb(35, 123, 144);
/* oklch */ color: oklch(54.2% 0.086 217.5);

Tailwind

colors: {
  custom: {
    50: '#6fa1b0',
    500: '#237b90',
    950: '#000000',
  },
}

SCSS

$custom: #237b90;
$custom-light: #6fa1b0;
$custom-dark: #000000;

JSON

{
  "hex": "#237b90",
  "rgb": {
    "r": 35,
    "g": 123,
    "b": 144
  },
  "hsl": {
    "h": 191.56,
    "s": 60.894,
    "l": 35.098
  },
  "oklch": {
    "l": 0.54162,
    "c": 0.08592,
    "h": 217.5
  },
  "luminance": 0.16537
}

Semantic roles & 50–950 ramp

primary

#237B90

secondary

#BA6854

accent

#6344E4

background

#F7F9FA

surface

#EDF2F4

border

#C8CCCE

text

#080F10

muted

#7B7E7F

Preview Lab

Preview with #237B90

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

Preview Lab → · Contrast checker → · Palette generator →