#237B8E#237B8E

#237B8E is a mid, moderate cyan. Relative luminance 0.165; OKLCH L 54.1% C 0.085 H 215.6°. Best body text is #FFFFFF at 4.89:1 contrast (WCAG AA passes).

Color values

HEX	#237B8E
RGB	rgb(35, 123, 142)
HSL	hsl(191, 60%, 35%)
HSV	hsv(191, 75%, 56%)
CMYK	cmyk(75.4%, 13.4%, 0%, 44.3%)
CIE-LAB	lab(47.59, -18.77, -17.69)
CIE-LCH	lch(47.59, 25.80, 223.30°)
OKLab	oklab(54.07% -0.069 -0.0493)
OKLCH	oklch(54.07% 0.085 215.6)
XYZ	xyz(12.6565, 16.4747, 28.0988)
Luminance	0.1648 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#237B8E #8E3623

analogous

#238E6C #237B8E #23468E

triadic

#237B8E #8E237B #7B8E23

tetradic

#237B8E #6C238E #8E3623 #468E23

square

#237B8E #6C238E #8E3623 #468E23

split-complementary

#237B8E #8E2346 #8E6C23

monochromatic

#0B262C #17505D #237B8E #2FA6BF #56BFD5

Accessibility & contrast

On white

4.89

#237B8E on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.30

#237B8E on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #237B8E

4.89:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##237B8E	#FFFFFF	#000000	##FFFFFF
##237B8E	1.00	4.89	4.30	4.89
#FFFFFF	4.89	1.00	21.00	1.00
#000000	4.30	21.00	1.00	21.00
##FFFFFF	4.89	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#6E778F

Deuteranopia (green-blind)

#5F6C8E

Tritanopia (blue-blind)

#008281

Achromatopsia (no color)

#717171

Design tokens & code

CSS

--color: #237b8e;
/* rgb */ color: rgb(35, 123, 142);
/* oklch */ color: oklch(54.1% 0.085 215.6);

Tailwind

colors: {
  custom: {
    50: '#6fa1af',
    500: '#237b8e',
    950: '#000000',
  },
}

SCSS

$custom: #237b8e;
$custom-light: #6fa1af;
$custom-dark: #000000;

JSON

{
  "hex": "#237b8e",
  "rgb": {
    "r": 35,
    "g": 123,
    "b": 142
  },
  "hsl": {
    "h": 190.654,
    "s": 60.452,
    "l": 34.706
  },
  "oklch": {
    "l": 0.54074,
    "c": 0.0848,
    "h": 215.6
  },
  "luminance": 0.16476
}

Semantic roles & 50–950 ramp

primary

#237B8E

secondary

#B96553

accent

#6144E4

background

#F7F9FA

surface

#EDF2F4

border

#C8CCCE

text

#080F10

muted

#7B7E7F

Preview Lab

Preview with #237B8E

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

Preview Lab → · Contrast checker → · Palette generator →