#237599#237599

#237599 is a mid, moderate cyan. Relative luminance 0.154; OKLCH L 53.1% C 0.095 H 231.8°. Best body text is #FFFFFF at 5.15:1 contrast (WCAG AA passes).

Color values

HEX	#237599
RGB	rgb(35, 117, 153)
HSL	hsl(198, 63%, 37%)
HSV	hsv(198, 77%, 60%)
CMYK	cmyk(77.1%, 23.5%, 0%, 40%)
CIE-LAB	lab(46.15, -11.58, -26.41)
CIE-LCH	lch(46.15, 28.83, 246.32°)
OKLab	oklab(53.07% -0.0584 -0.0743)
OKLCH	oklch(53.07% 0.095 231.8)
XYZ	xyz(12.8019, 15.3783, 32.4244)
Luminance	0.1538 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#237599 #994723

analogous

#239982 #237599 #233A99

triadic

#237599 #992375 #759923

tetradic

#237599 #822399 #994723 #3A9923

square

#237599 #822399 #994723 #3A9923

split-complementary

#237599 #99233A #998223

monochromatic

#0C2935 #184F67 #237599 #2E9BCB #5DB4DA

Accessibility & contrast

On white

5.15

#237599 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.08

#237599 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #237599

5.15:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##237599	#FFFFFF	#000000	##FFFFFF
##237599	1.00	5.15	4.08	5.15
#FFFFFF	5.15	1.00	21.00	1.00
#000000	4.08	21.00	1.00	21.00
##FFFFFF	5.15	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#63749B

Deuteranopia (green-blind)

#536898

Tritanopia (blue-blind)

#007F81

Achromatopsia (no color)

#6D6D6D

Design tokens & code

CSS

--color: #237599;
/* rgb */ color: rgb(35, 117, 153);
/* oklch */ color: oklch(53.1% 0.095 231.8);

Tailwind

colors: {
  custom: {
    50: '#709cb7',
    500: '#237599',
    950: '#000000',
  },
}

SCSS

$custom: #237599;
$custom-light: #709cb7;
$custom-dark: #000000;

JSON

{
  "hex": "#237599",
  "rgb": {
    "r": 35,
    "g": 117,
    "b": 153
  },
  "hsl": {
    "h": 198.305,
    "s": 62.766,
    "l": 36.863
  },
  "oklch": {
    "l": 0.53068,
    "c": 0.09452,
    "h": 231.8
  },
  "luminance": 0.1538
}

Semantic roles & 50–950 ramp

primary

#237599

secondary

#BE7859

accent

#7442E6

background

#F7F9FB

surface

#EDF2F6

border

#C8CCD0

text

#090E11

muted

#7B7E80

Preview Lab

Preview with #237599

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

Preview Lab → · Contrast checker → · Palette generator →