#2313A1#2313A1

#2313A1 is a dark, highly saturated blue. Relative luminance 0.034; OKLCH L 34.7% C 0.205 H 272.6°. Best body text is #FFFFFF at 12.51:1 contrast (WCAG AA passes).

Color values

HEX	#2313A1
RGB	rgb(35, 19, 161)
HSL	hsl(247, 79%, 35%)
HSV	hsv(247, 88%, 63%)
CMYK	cmyk(78.3%, 88.2%, 0%, 36.9%)
CIE-LAB	lab(21.56, 51.18, -70.89)
CIE-LCH	lch(21.56, 87.44, 305.82°)
OKLab	oklab(34.69% 0.0093 -0.205)
OKLCH	oklch(34.69% 0.205 272.6)
XYZ	xyz(7.3569, 3.3955, 33.9790)
Luminance	0.0340 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2313A1 #91A113

analogous

#134AA1 #2313A1 #6A13A1

triadic

#2313A1 #A12313 #13A123

tetradic

#2313A1 #A1134A #91A113 #13A16A

square

#2313A1 #A1134A #91A113 #13A16A

split-complementary

#2313A1 #A16A13 #4AA113

monochromatic

#0B0634 #170D6A #2313A1 #2F19D8 #5845E9

Accessibility & contrast

On white

12.51

#2313A1 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.68

#2313A1 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2313A1

12.51:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2313A1	#FFFFFF	#000000	##FFFFFF
##2313A1	1.00	12.51	1.68	12.51
#FFFFFF	12.51	1.00	21.00	1.00
#000000	1.68	21.00	1.00	21.00
##FFFFFF	12.51	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003AA5

Deuteranopia (green-blind)

#002D9F

Tritanopia (blue-blind)

#00445E

Achromatopsia (no color)

#343434

Design tokens & code

CSS

--color: #2313a1;
/* rgb */ color: rgb(35, 19, 161);
/* oklch */ color: oklch(34.7% 0.205 272.6);

Tailwind

colors: {
  custom: {
    50: '#7658be',
    500: '#2313a1',
    950: '#000000',
  },
}

SCSS

$custom: #2313a1;
$custom-light: #7658be;
$custom-dark: #000000;

JSON

{
  "hex": "#2313a1",
  "rgb": {
    "r": 35,
    "g": 19,
    "b": 161
  },
  "hsl": {
    "h": 246.761,
    "s": 78.889,
    "l": 35.294
  },
  "oklch": {
    "l": 0.3469,
    "c": 0.20517,
    "h": 272.6
  },
  "luminance": 0.03396
}

Semantic roles & 50–950 ramp

primary

#2313A1

secondary

#BBCA46

accent

#F532DF

background

#F8F5FB

surface

#EFE9F7

border

#CAC5D0

text

#0A0412

muted

#7C7981

Preview Lab

Preview with #2313A1

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

Preview Lab → · Contrast checker → · Palette generator →