#23537D#23537D

#23537D is a dark, moderate cyan. Relative luminance 0.080; OKLCH L 43.0% C 0.087 H 247.8°. Best body text is #FFFFFF at 8.06:1 contrast (WCAG AA passes).

Color values

HEX	#23537D
RGB	rgb(35, 83, 125)
HSL	hsl(208, 56%, 31%)
HSV	hsv(208, 72%, 49%)
CMYK	cmyk(72%, 33.6%, 0%, 51%)
CIE-LAB	lab(34.03, -1.32, -28.46)
CIE-LCH	lch(34.03, 28.49, 267.34°)
OKLab	oklab(43.02% -0.0328 -0.0806)
OKLCH	oklch(43.02% 0.087 247.8)
XYZ	xyz(7.4867, 8.0237, 20.5522)
Luminance	0.0803 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#23537D #7D4D23

analogous

#237D7A #23537D #23267D

triadic

#23537D #7D2353 #537D23

tetradic

#23537D #7A237D #7D4D23 #267D23

square

#23537D #7A237D #7D4D23 #267D23

split-complementary

#23537D #7D2326 #7D7A23

monochromatic

#08141D #16334D #23537D #3073AD #4D91CD

Accessibility & contrast

On white

8.06

#23537D on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.61

#23537D on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #23537D

8.06:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##23537D	#FFFFFF	#000000	##FFFFFF
##23537D	1.00	8.06	2.61	8.06
#FFFFFF	8.06	1.00	21.00	1.00
#000000	2.61	21.00	1.00	21.00
##FFFFFF	8.06	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#40557F

Deuteranopia (green-blind)

#344C7C

Tritanopia (blue-blind)

#005D62

Achromatopsia (no color)

#505050

Design tokens & code

CSS

--color: #23537d;
/* rgb */ color: rgb(35, 83, 125);
/* oklch */ color: oklch(43.0% 0.087 247.8);

Tailwind

colors: {
  custom: {
    50: '#6a83a3',
    500: '#23537d',
    950: '#000000',
  },
}

SCSS

$custom: #23537d;
$custom-light: #6a83a3;
$custom-dark: #000000;

JSON

{
  "hex": "#23537d",
  "rgb": {
    "r": 35,
    "g": 83,
    "b": 125
  },
  "hsl": {
    "h": 208,
    "s": 56.25,
    "l": 31.373
  },
  "oklch": {
    "l": 0.43015,
    "c": 0.08706,
    "h": 247.8
  },
  "luminance": 0.08025
}

Semantic roles & 50–950 ramp

primary

#23537D

secondary

#AF7B4C

accent

#8F48E0

background

#F6F7FA

surface

#ECEEF3

border

#C7C9CD

text

#070A0F

muted

#7A7C7F

Preview Lab

Preview with #23537D

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

Preview Lab → · Contrast checker → · Palette generator →