#2D23A0#2D23A0

#2D23A0 is a dark, vivid blue. Relative luminance 0.043; OKLCH L 37.0% C 0.189 H 275.4°. Best body text is #FFFFFF at 11.29:1 contrast (WCAG AA passes).

Color values

HEX	#2D23A0
RGB	rgb(45, 35, 160)
HSL	hsl(245, 64%, 38%)
HSV	hsv(245, 78%, 63%)
CMYK	cmyk(71.9%, 78.1%, 0%, 37.3%)
CIE-LAB	lab(24.63, 44.23, -65.18)
CIE-LCH	lch(24.63, 78.77, 304.16°)
OKLab	oklab(36.96% 0.0178 -0.1884)
OKLCH	oklch(36.96% 0.189 275.4)
XYZ	xyz(8.0263, 4.2972, 33.6574)
Luminance	0.0430 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2D23A0 #96A023

analogous

#2357A0 #2D23A0 #6B23A0

triadic

#2D23A0 #A02D23 #23A02D

tetradic

#2D23A0 #A02357 #96A023 #23A06B

square

#2D23A0 #A02357 #96A023 #23A06B

split-complementary

#2D23A0 #A06B23 #57A023

monochromatic

#110D3C #1F186E #2D23A0 #3C2FD1 #6B61DC

Accessibility & contrast

On white

11.29

#2D23A0 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.86

#2D23A0 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2D23A0

11.29:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2D23A0	#FFFFFF	#000000	##FFFFFF
##2D23A0	1.00	11.29	1.86	11.29
#FFFFFF	11.29	1.00	21.00	1.00
#000000	1.86	21.00	1.00	21.00
##FFFFFF	11.29	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0040A4

Deuteranopia (green-blind)

#00359E

Tritanopia (blue-blind)

#004861

Achromatopsia (no color)

#3A3A3A

Design tokens & code

CSS

--color: #2d23a0;
/* rgb */ color: rgb(45, 35, 160);
/* oklch */ color: oklch(37.0% 0.189 275.4);

Tailwind

colors: {
  custom: {
    50: '#7861bd',
    500: '#2d23a0',
    950: '#000000',
  },
}

SCSS

$custom: #2d23a0;
$custom-light: #7861bd;
$custom-dark: #000000;

JSON

{
  "hex": "#2d23a0",
  "rgb": {
    "r": 45,
    "g": 35,
    "b": 160
  },
  "hsl": {
    "h": 244.8,
    "s": 64.103,
    "l": 38.235
  },
  "oklch": {
    "l": 0.36957,
    "c": 0.18929,
    "h": 275.4
  },
  "luminance": 0.04298
}

Semantic roles & 50–950 ramp

primary

#2D23A0

secondary

#B9C15D

accent

#E741DA

background

#F8F5FB

surface

#EFEAF7

border

#CAC6D0

text

#0A0512

muted

#7C7981

Preview Lab

Preview with #2D23A0

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

Preview Lab → · Contrast checker → · Palette generator →