#2D23A1#2D23A1

#2D23A1 is a dark, vivid blue. Relative luminance 0.043; OKLCH L 37.1% C 0.191 H 275.3°. Best body text is #FFFFFF at 11.25:1 contrast (WCAG AA passes).

Color values

HEX	#2D23A1
RGB	rgb(45, 35, 161)
HSL	hsl(245, 64%, 38%)
HSV	hsv(245, 78%, 63%)
CMYK	cmyk(72%, 78.3%, 0%, 36.9%)
CIE-LAB	lab(24.74, 44.55, -65.60)
CIE-LCH	lch(24.74, 79.30, 304.18°)
OKLab	oklab(37.07% 0.0175 -0.1897)
OKLCH	oklch(37.07% 0.191 275.3)
XYZ	xyz(8.1141, 4.3324, 34.1199)
Luminance	0.0433 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2D23A1 #97A123

analogous

#2358A1 #2D23A1 #6C23A1

triadic

#2D23A1 #A12D23 #23A12D

tetradic

#2D23A1 #A12358 #97A123 #23A16C

square

#2D23A1 #A12358 #97A123 #23A16C

split-complementary

#2D23A1 #A16C23 #58A123

monochromatic

#110D3C #1F186F #2D23A1 #3C2FD2 #6B62DD

Accessibility & contrast

On white

11.25

#2D23A1 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.87

#2D23A1 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2D23A1

11.25:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2D23A1	#FFFFFF	#000000	##FFFFFF
##2D23A1	1.00	11.25	1.87	11.25
#FFFFFF	11.25	1.00	21.00	1.00
#000000	1.87	21.00	1.00	21.00
##FFFFFF	11.25	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0040A5

Deuteranopia (green-blind)

#00359F

Tritanopia (blue-blind)

#004961

Achromatopsia (no color)

#3B3B3B

Design tokens & code

CSS

--color: #2d23a1;
/* rgb */ color: rgb(45, 35, 161);
/* oklch */ color: oklch(37.1% 0.191 275.3);

Tailwind

colors: {
  custom: {
    50: '#7961be',
    500: '#2d23a1',
    950: '#000000',
  },
}

SCSS

$custom: #2d23a1;
$custom-light: #7961be;
$custom-dark: #000000;

JSON

{
  "hex": "#2d23a1",
  "rgb": {
    "r": 45,
    "g": 35,
    "b": 161
  },
  "hsl": {
    "h": 244.762,
    "s": 64.286,
    "l": 38.431
  },
  "oklch": {
    "l": 0.37067,
    "c": 0.1905,
    "h": 275.3
  },
  "luminance": 0.04333
}

Semantic roles & 50–950 ramp

primary

#2D23A1

secondary

#BAC25E

accent

#E741DA

background

#F8F5FB

surface

#EFEAF7

border

#CAC6D0

text

#0A0512

muted

#7C7981

Preview Lab

Preview with #2D23A1

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

Preview Lab → · Contrast checker → · Palette generator →