#2D23A3#2D23A3

#2D23A3 is a dark, vivid blue. Relative luminance 0.044; OKLCH L 37.3% C 0.193 H 275.1°. Best body text is #FFFFFF at 11.17:1 contrast (WCAG AA passes).

Color values

HEX	#2D23A3
RGB	rgb(45, 35, 163)
HSL	hsl(245, 65%, 39%)
HSV	hsv(245, 79%, 64%)
CMYK	cmyk(72.4%, 78.5%, 0%, 36.1%)
CIE-LAB	lab(24.96, 45.19, -66.45)
CIE-LCH	lch(24.96, 80.36, 304.22°)
OKLab	oklab(37.29% 0.0171 -0.1922)
OKLCH	oklch(37.29% 0.193 275.1)
XYZ	xyz(8.2919, 4.4035, 35.0562)
Luminance	0.0440 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2D23A3 #99A323

analogous

#2359A3 #2D23A3 #6D23A3

triadic

#2D23A3 #A32D23 #23A32D

tetradic

#2D23A3 #A32359 #99A323 #23A36D

square

#2D23A3 #A32359 #99A323 #23A36D

split-complementary

#2D23A3 #A36D23 #59A323

monochromatic

#110D3E #1F1871 #2D23A3 #3D31D3 #6C63DD

Accessibility & contrast

On white

11.17

#2D23A3 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.88

#2D23A3 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2D23A3

11.17:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2D23A3	#FFFFFF	#000000	##FFFFFF
##2D23A3	1.00	11.17	1.88	11.17
#FFFFFF	11.17	1.00	21.00	1.00
#000000	1.88	21.00	1.00	21.00
##FFFFFF	11.17	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0041A7

Deuteranopia (green-blind)

#0035A1

Tritanopia (blue-blind)

#004A62

Achromatopsia (no color)

#3B3B3B

Design tokens & code

CSS

--color: #2d23a3;
/* rgb */ color: rgb(45, 35, 163);
/* oklch */ color: oklch(37.3% 0.193 275.1);

Tailwind

colors: {
  custom: {
    50: '#7961c0',
    500: '#2d23a3',
    950: '#000000',
  },
}

SCSS

$custom: #2d23a3;
$custom-light: #7961c0;
$custom-dark: #000000;

JSON

{
  "hex": "#2d23a3",
  "rgb": {
    "r": 45,
    "g": 35,
    "b": 163
  },
  "hsl": {
    "h": 244.688,
    "s": 64.646,
    "l": 38.824
  },
  "oklch": {
    "l": 0.37288,
    "c": 0.19292,
    "h": 275.1
  },
  "luminance": 0.04404
}

Semantic roles & 50–950 ramp

primary

#2D23A3

secondary

#BBC35F

accent

#E840DB

background

#F8F5FC

surface

#EFEAF8

border

#CAC6D1

text

#0B0512

muted

#7C7981

Preview Lab

Preview with #2D23A3

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

Preview Lab → · Contrast checker → · Palette generator →