#237E99#237E99

#237E99 is a mid, moderate cyan. Relative luminance 0.176; OKLCH L 55.3% C 0.091 H 222.4°. Best body text is #FFFFFF at 4.65:1 contrast (WCAG AA passes).

Color values

HEX	#237E99
RGB	rgb(35, 126, 153)
HSL	hsl(194, 63%, 37%)
HSV	hsv(194, 77%, 60%)
CMYK	cmyk(77.1%, 17.6%, 0%, 40%)
CIE-LAB	lab(48.98, -16.65, -22.03)
CIE-LCH	lch(48.98, 27.61, 232.92°)
OKLab	oklab(55.33% -0.0675 -0.0617)
OKLCH	oklch(55.33% 0.091 222.4)
XYZ	xyz(13.9014, 17.5773, 32.7909)
Luminance	0.1758 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#237E99 #993E23

analogous

#239979 #237E99 #234399

triadic

#237E99 #99237E #7E9923

tetradic

#237E99 #792399 #993E23 #439923

square

#237E99 #792399 #993E23 #439923

split-complementary

#237E99 #992343 #997923

monochromatic

#0C2C35 #185567 #237E99 #2EA7CB #5DBDDA

Accessibility & contrast

On white

4.65

#237E99 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.52

#237E99 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#FFFFFF on #237E99

4.65:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##237E99	#FFFFFF	#000000	##FFFFFF
##237E99	1.00	4.65	4.52	4.65
#FFFFFF	4.65	1.00	21.00	1.00
#000000	4.52	21.00	1.00	21.00
##FFFFFF	4.65	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#6E7B9A

Deuteranopia (green-blind)

#5E6F99

Tritanopia (blue-blind)

#008687

Achromatopsia (no color)

#747474

Design tokens & code

CSS

--color: #237e99;
/* rgb */ color: rgb(35, 126, 153);
/* oklch */ color: oklch(55.3% 0.091 222.4);

Tailwind

colors: {
  custom: {
    50: '#71a3b7',
    500: '#237e99',
    950: '#000000',
  },
}

SCSS

$custom: #237e99;
$custom-light: #71a3b7;
$custom-dark: #000000;

JSON

{
  "hex": "#237e99",
  "rgb": {
    "r": 35,
    "g": 126,
    "b": 153
  },
  "hsl": {
    "h": 193.729,
    "s": 62.766,
    "l": 36.863
  },
  "oklch": {
    "l": 0.55334,
    "c": 0.09145,
    "h": 222.4
  },
  "luminance": 0.17579
}

Semantic roles & 50–950 ramp

primary

#237E99

secondary

#BE7059

accent

#6742E6

background

#F7FAFB

surface

#EDF3F6

border

#C8CDD0

text

#090F11

muted

#7B7F80

Preview Lab

Preview with #237E99

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

Preview Lab → · Contrast checker → · Palette generator →