#2317C9#2317C9

#2317C9 is a dark, highly saturated blue. Relative luminance 0.052; OKLCH L 40.0% C 0.247 H 269.6°. Best body text is #FFFFFF at 10.31:1 contrast (WCAG AA passes).

Color values

HEX	#2317C9
RGB	rgb(35, 23, 201)
HSL	hsl(244, 79%, 44%)
HSV	hsv(244, 89%, 79%)
CMYK	cmyk(82.6%, 88.6%, 0%, 21.2%)
CIE-LAB	lab(27.26, 61.12, -85.31)
CIE-LCH	lch(27.26, 104.95, 305.62°)
OKLab	oklab(40.03% -0.0017 -0.2467)
OKLCH	oklch(40.03% 0.247 269.6)
XYZ	xyz(11.5386, 5.1858, 55.6398)
Luminance	0.0519 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2317C9 #BDC917

analogous

#1764C9 #2317C9 #7C17C9

triadic

#2317C9 #C92317 #17C923

tetradic

#2317C9 #C91764 #BDC917 #17C97C

square

#2317C9 #C91764 #BDC917 #17C97C

split-complementary

#2317C9 #C97C17 #64C917

monochromatic

#100A5B #191192 #2317C9 #4135E8 #756CEE

Accessibility & contrast

On white

10.31

#2317C9 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.04

#2317C9 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2317C9

10.31:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2317C9	#FFFFFF	#000000	##FFFFFF
##2317C9	1.00	10.31	2.04	10.31
#FFFFFF	10.31	1.00	21.00	1.00
#000000	2.04	21.00	1.00	21.00
##FFFFFF	10.31	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0049CE

Deuteranopia (green-blind)

#0037C6

Tritanopia (blue-blind)

#005677

Achromatopsia (no color)

#404040

Design tokens & code

CSS

--color: #2317c9;
/* rgb */ color: rgb(35, 23, 201);
/* oklch */ color: oklch(40.0% 0.247 269.6);

Tailwind

colors: {
  custom: {
    50: '#805edb',
    500: '#2317c9',
    950: '#000000',
  },
}

SCSS

$custom: #2317c9;
$custom-light: #805edb;
$custom-dark: #000000;

JSON

{
  "hex": "#2317c9",
  "rgb": {
    "r": 35,
    "g": 23,
    "b": 201
  },
  "hsl": {
    "h": 244.045,
    "s": 79.464,
    "l": 43.922
  },
  "oklch": {
    "l": 0.40032,
    "c": 0.24673,
    "h": 269.6
  },
  "luminance": 0.05187
}

Semantic roles & 50–950 ramp

primary

#2317C9

secondary

#CDD468

accent

#F632E9

background

#F8F5FD

surface

#F0E9FB

border

#CBC5D4

text

#0D0515

muted

#7D7983

Preview Lab

Preview with #2317C9

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

Preview Lab → · Contrast checker → · Palette generator →