#237399#237399

#237399 is a mid, moderate cyan. Relative luminance 0.149; OKLCH L 52.6% C 0.096 H 233.8°. Best body text is #FFFFFF at 5.27:1 contrast (WCAG AA passes).

Color values

HEX	#237399
RGB	rgb(35, 115, 153)
HSL	hsl(199, 63%, 37%)
HSV	hsv(199, 77%, 60%)
CMYK	cmyk(77.1%, 24.8%, 0%, 40%)
CIE-LAB	lab(45.52, -10.42, -27.38)
CIE-LCH	lch(45.52, 29.30, 249.16°)
OKLab	oklab(52.57% -0.0564 -0.0771)
OKLCH	oklch(52.57% 0.096 233.8)
XYZ	xyz(12.5713, 14.9172, 32.3476)
Luminance	0.1492 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#237399 #994923

analogous

#239984 #237399 #233899

triadic

#237399 #992373 #739923

tetradic

#237399 #842399 #994923 #389923

square

#237399 #842399 #994923 #389923

split-complementary

#237399 #992338 #998423

monochromatic

#0C2835 #184E67 #237399 #2E98CB #5DB1DA

Accessibility & contrast

On white

5.27

#237399 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.98

#237399 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #237399

5.27:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##237399	#FFFFFF	#000000	##FFFFFF
##237399	1.00	5.27	3.98	5.27
#FFFFFF	5.27	1.00	21.00	1.00
#000000	3.98	21.00	1.00	21.00
##FFFFFF	5.27	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#60729B

Deuteranopia (green-blind)

#506798

Tritanopia (blue-blind)

#007D80

Achromatopsia (no color)

#6C6C6C

Design tokens & code

CSS

--color: #237399;
/* rgb */ color: rgb(35, 115, 153);
/* oklch */ color: oklch(52.6% 0.096 233.8);

Tailwind

colors: {
  custom: {
    50: '#709bb7',
    500: '#237399',
    950: '#000000',
  },
}

SCSS

$custom: #237399;
$custom-light: #709bb7;
$custom-dark: #000000;

JSON

{
  "hex": "#237399",
  "rgb": {
    "r": 35,
    "g": 115,
    "b": 153
  },
  "hsl": {
    "h": 199.322,
    "s": 62.766,
    "l": 36.863
  },
  "oklch": {
    "l": 0.52568,
    "c": 0.09557,
    "h": 233.8
  },
  "luminance": 0.14919
}

Semantic roles & 50–950 ramp

primary

#237399

secondary

#BE7A59

accent

#7742E6

background

#F7F9FB

surface

#EDF2F6

border

#C8CCD0

text

#090E11

muted

#7B7E80

Preview Lab

Preview with #237399

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

Preview Lab → · Contrast checker → · Palette generator →