#23599D#23599D

#23599D is a mid, vivid cyan. Relative luminance 0.099; OKLCH L 46.5% C 0.124 H 255.9°. Best body text is #FFFFFF at 7.03:1 contrast (WCAG AA passes).

Color values

HEX	#23599D
RGB	rgb(35, 89, 157)
HSL	hsl(213, 64%, 38%)
HSV	hsv(213, 78%, 62%)
CMYK	cmyk(77.7%, 43.3%, 0%, 38.4%)
CIE-LAB	lab(37.73, 7.18, -42.07)
CIE-LCH	lch(37.73, 42.68, 279.69°)
OKLab	oklab(46.5% -0.0303 -0.1204)
OKLCH	oklch(46.5% 0.124 255.9)
XYZ	xyz(10.3491, 9.9352, 33.2640)
Luminance	0.0994 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#23599D #9D6723

analogous

#23969D #23599D #2A239D

triadic

#23599D #9D2359 #599D23

tetradic

#23599D #9D2396 #9D6723 #239D2A

square

#23599D #9D2396 #9D6723 #239D2A

split-complementary

#23599D #9D2A23 #969D23

monochromatic

#0D2039 #183D6B #23599D #2E75CF #5F96DB

Accessibility & contrast

On white

7.03

#23599D on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.99

#23599D on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #23599D

7.03:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##23599D	#FFFFFF	#000000	##FFFFFF
##23599D	1.00	7.03	2.99	7.03
#FFFFFF	7.03	1.00	21.00	1.00
#000000	2.99	21.00	1.00	21.00
##FFFFFF	7.03	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#375FA0

Deuteranopia (green-blind)

#21549C

Tritanopia (blue-blind)

#006973

Achromatopsia (no color)

#595959

Design tokens & code

CSS

--color: #23599d;
/* rgb */ color: rgb(35, 89, 157);
/* oklch */ color: oklch(46.5% 0.124 255.9);

Tailwind

colors: {
  custom: {
    50: '#7087ba',
    500: '#23599d',
    950: '#000000',
  },
}

SCSS

$custom: #23599d;
$custom-light: #7087ba;
$custom-dark: #000000;

JSON

{
  "hex": "#23599d",
  "rgb": {
    "r": 35,
    "g": 89,
    "b": 157
  },
  "hsl": {
    "h": 213.443,
    "s": 63.542,
    "l": 37.647
  },
  "oklch": {
    "l": 0.465,
    "c": 0.12415,
    "h": 255.9
  },
  "luminance": 0.09936
}

Semantic roles & 50–950 ramp

primary

#23599D

secondary

#C0945C

accent

#9D41E7

background

#F7F8FB

surface

#EDEFF6

border

#C8CAD0

text

#090B12

muted

#7B7C81

Preview Lab

Preview with #23599D

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

Preview Lab → · Contrast checker → · Palette generator →