#2D23A4#2D23A4

#2D23A4 is a dark, vivid blue. Relative luminance 0.044; OKLCH L 37.4% C 0.194 H 275.0°. Best body text is #FFFFFF at 11.12:1 contrast (WCAG AA passes).

Color values

HEX	#2D23A4
RGB	rgb(45, 35, 164)
HSL	hsl(245, 65%, 39%)
HSV	hsv(245, 79%, 64%)
CMYK	cmyk(72.6%, 78.7%, 0%, 35.7%)
CIE-LAB	lab(25.07, 45.51, -66.87)
CIE-LCH	lch(25.07, 80.89, 304.24°)
OKLab	oklab(37.4% 0.0168 -0.1934)
OKLCH	oklch(37.4% 0.194 275)
XYZ	xyz(8.3818, 4.4395, 35.5299)
Luminance	0.0444 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2D23A4 #9AA423

analogous

#235AA4 #2D23A4 #6E23A4

triadic

#2D23A4 #A42D23 #23A42D

tetradic

#2D23A4 #A4235A #9AA423 #23A46E

square

#2D23A4 #A4235A #9AA423 #23A46E

split-complementary

#2D23A4 #A46E23 #5AA423

monochromatic

#110D3F #1F1872 #2D23A4 #3E31D3 #6D64DE

Accessibility & contrast

On white

11.12

#2D23A4 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.89

#2D23A4 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2D23A4

11.12:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2D23A4	#FFFFFF	#000000	##FFFFFF
##2D23A4	1.00	11.12	1.89	11.12
#FFFFFF	11.12	1.00	21.00	1.00
#000000	1.89	21.00	1.00	21.00
##FFFFFF	11.12	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0041A8

Deuteranopia (green-blind)

#0036A2

Tritanopia (blue-blind)

#004A63

Achromatopsia (no color)

#3B3B3B

Design tokens & code

CSS

--color: #2d23a4;
/* rgb */ color: rgb(45, 35, 164);
/* oklch */ color: oklch(37.4% 0.194 275.0);

Tailwind

colors: {
  custom: {
    50: '#7961c0',
    500: '#2d23a4',
    950: '#000000',
  },
}

SCSS

$custom: #2d23a4;
$custom-light: #7961c0;
$custom-dark: #000000;

JSON

{
  "hex": "#2d23a4",
  "rgb": {
    "r": 45,
    "g": 35,
    "b": 164
  },
  "hsl": {
    "h": 244.651,
    "s": 64.824,
    "l": 39.02
  },
  "oklch": {
    "l": 0.37399,
    "c": 0.19412,
    "h": 275
  },
  "luminance": 0.0444
}

Semantic roles & 50–950 ramp

primary

#2D23A4

secondary

#BBC360

accent

#E840DB

background

#F8F5FC

surface

#EFEAF8

border

#CAC6D1

text

#0B0512

muted

#7C7981

Preview Lab

Preview with #2D23A4

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

Preview Lab → · Contrast checker → · Palette generator →