#2D25B1#2D25B1

#2D25B1 is a dark, highly saturated blue. Relative luminance 0.051; OKLCH L 39.1% C 0.208 H 273.6°. Best body text is #FFFFFF at 10.44:1 contrast (WCAG AA passes).

Color values

HEX	#2D25B1
RGB	rgb(45, 37, 177)
HSL	hsl(243, 65%, 42%)
HSV	hsv(243, 79%, 69%)
CMYK	cmyk(74.6%, 79.1%, 0%, 30.6%)
CIE-LAB	lab(26.89, 48.61, -71.70)
CIE-LCH	lch(26.89, 86.62, 304.13°)
OKLab	oklab(39.1% 0.0129 -0.2074)
OKLCH	oklch(39.1% 0.208 273.6)
XYZ	xyz(9.6769, 5.0544, 42.0520)
Luminance	0.0505 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2D25B1 #A9B125

analogous

#2563B1 #2D25B1 #7325B1

triadic

#2D25B1 #B12D25 #25B12D

tetradic

#2D25B1 #B12563 #A9B125 #25B173

square

#2D25B1 #B12563 #A9B125 #25B173

split-complementary

#2D25B1 #B17325 #63B125

monochromatic

#13104C #201A7E #2D25B1 #463DD6 #766FE1

Accessibility & contrast

On white

10.44

#2D25B1 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.01

#2D25B1 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2D25B1

10.44:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2D25B1	#FFFFFF	#000000	##FFFFFF
##2D25B1	1.00	10.44	2.01	10.44
#FFFFFF	10.44	1.00	21.00	1.00
#000000	2.01	21.00	1.00	21.00
##FFFFFF	10.44	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0046B5

Deuteranopia (green-blind)

#0039AF

Tritanopia (blue-blind)

#00506B

Achromatopsia (no color)

#404040

Design tokens & code

CSS

--color: #2d25b1;
/* rgb */ color: rgb(45, 37, 177);
/* oklch */ color: oklch(39.1% 0.208 273.6);

Tailwind

colors: {
  custom: {
    50: '#7c63ca',
    500: '#2d25b1',
    950: '#000000',
  },
}

SCSS

$custom: #2d25b1;
$custom-light: #7c63ca;
$custom-dark: #000000;

JSON

{
  "hex": "#2d25b1",
  "rgb": {
    "r": 45,
    "g": 37,
    "b": 177
  },
  "hsl": {
    "h": 243.429,
    "s": 65.421,
    "l": 41.961
  },
  "oklch": {
    "l": 0.39096,
    "c": 0.20784,
    "h": 273.6
  },
  "luminance": 0.05055
}

Semantic roles & 50–950 ramp

primary

#2D25B1

secondary

#C2C86A

accent

#E83FDF

background

#F8F6FC

surface

#EFEBF9

border

#CAC6D2

text

#0B0513

muted

#7C7A82

Preview Lab

Preview with #2D25B1

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

Preview Lab → · Contrast checker → · Palette generator →