#237B8D#237B8D

#237B8D is a mid, moderate cyan. Relative luminance 0.164; OKLCH L 54.0% C 0.084 H 214.6°. Best body text is #FFFFFF at 4.90:1 contrast (WCAG AA passes).

Color values

HEX	#237B8D
RGB	rgb(35, 123, 141)
HSL	hsl(190, 60%, 35%)
HSV	hsv(190, 75%, 55%)
CMYK	cmyk(75.2%, 12.8%, 0%, 44.7%)
CIE-LAB	lab(47.55, -19.11, -17.16)
CIE-LCH	lch(47.55, 25.69, 221.92°)
OKLab	oklab(54.03% -0.0694 -0.0478)
OKLCH	oklch(54.03% 0.084 214.6)
XYZ	xyz(12.5818, 16.4448, 27.7052)
Luminance	0.1645 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#237B8D #8D3523

analogous

#238D6A #237B8D #23468D

triadic

#237B8D #8D237B #7B8D23

tetradic

#237B8D #6A238D #8D3523 #468D23

square

#237B8D #6A238D #8D3523 #468D23

split-complementary

#237B8D #8D2346 #8D6A23

monochromatic

#0B252B #17505C #237B8D #2FA6BE #55BFD5

Accessibility & contrast

On white

4.90

#237B8D on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.29

#237B8D on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #237B8D

4.90:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##237B8D	#FFFFFF	#000000	##FFFFFF
##237B8D	1.00	4.90	4.29	4.90
#FFFFFF	4.90	1.00	21.00	1.00
#000000	4.29	21.00	1.00	21.00
##FFFFFF	4.90	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#6E778E

Deuteranopia (green-blind)

#606C8D

Tritanopia (blue-blind)

#008281

Achromatopsia (no color)

#717171

Design tokens & code

CSS

--color: #237b8d;
/* rgb */ color: rgb(35, 123, 141);
/* oklch */ color: oklch(54.0% 0.084 214.6);

Tailwind

colors: {
  custom: {
    50: '#6fa1ae',
    500: '#237b8d',
    950: '#000000',
  },
}

SCSS

$custom: #237b8d;
$custom-light: #6fa1ae;
$custom-dark: #000000;

JSON

{
  "hex": "#237b8d",
  "rgb": {
    "r": 35,
    "g": 123,
    "b": 141
  },
  "hsl": {
    "h": 190.189,
    "s": 60.227,
    "l": 34.51
  },
  "oklch": {
    "l": 0.5403,
    "c": 0.08429,
    "h": 214.6
  },
  "luminance": 0.16446
}

Semantic roles & 50–950 ramp

primary

#237B8D

secondary

#B96453

accent

#5F44E3

background

#F7F9FA

surface

#EDF2F4

border

#C8CCCE

text

#080F10

muted

#7B7E7F

Preview Lab

Preview with #237B8D

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

Preview Lab → · Contrast checker → · Palette generator →