#2317A1#2317A1

#2317A1 is a dark, highly saturated blue. Relative luminance 0.035; OKLCH L 35.1% C 0.203 H 272.4°. Best body text is #FFFFFF at 12.29:1 contrast (WCAG AA passes).

Color values

HEX	#2317A1
RGB	rgb(35, 23, 161)
HSL	hsl(245, 75%, 36%)
HSV	hsv(245, 86%, 63%)
CMYK	cmyk(78.3%, 85.7%, 0%, 36.9%)
CIE-LAB	lab(22.10, 49.58, -70.01)
CIE-LCH	lch(22.10, 85.79, 305.31°)
OKLab	oklab(35.06% 0.0085 -0.2025)
OKLCH	oklch(35.06% 0.203 272.4)
XYZ	xyz(7.4304, 3.5425, 34.0035)
Luminance	0.0354 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2317A1 #95A117

analogous

#1750A1 #2317A1 #6817A1

triadic

#2317A1 #A12317 #17A123

tetradic

#2317A1 #A11750 #95A117 #17A168

square

#2317A1 #A11750 #95A117 #17A168

split-complementary

#2317A1 #A16817 #50A117

monochromatic

#0C0836 #170F6B #2317A1 #2F1FD7 #5A4DE6

Accessibility & contrast

On white

12.29

#2317A1 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.71

#2317A1 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2317A1

12.29:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2317A1	#FFFFFF	#000000	##FFFFFF
##2317A1	1.00	12.29	1.71	12.29
#FFFFFF	12.29	1.00	21.00	1.00
#000000	1.71	21.00	1.00	21.00
##FFFFFF	12.29	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003BA5

Deuteranopia (green-blind)

#002E9F

Tritanopia (blue-blind)

#00455F

Achromatopsia (no color)

#353535

Design tokens & code

CSS

--color: #2317a1;
/* rgb */ color: rgb(35, 23, 161);
/* oklch */ color: oklch(35.1% 0.203 272.4);

Tailwind

colors: {
  custom: {
    50: '#765abe',
    500: '#2317a1',
    950: '#000000',
  },
}

SCSS

$custom: #2317a1;
$custom-light: #765abe;
$custom-dark: #000000;

JSON

{
  "hex": "#2317a1",
  "rgb": {
    "r": 35,
    "g": 23,
    "b": 161
  },
  "hsl": {
    "h": 245.217,
    "s": 75,
    "l": 36.078
  },
  "oklch": {
    "l": 0.35056,
    "c": 0.20265,
    "h": 272.4
  },
  "luminance": 0.03543
}

Semantic roles & 50–950 ramp

primary

#2317A1

secondary

#BDC74C

accent

#F236E1

background

#F8F5FB

surface

#EFE9F7

border

#CAC5D0

text

#0A0412

muted

#7C7981

Preview Lab

Preview with #2317A1

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

Preview Lab → · Contrast checker → · Palette generator →