#2B25A3#2B25A3

#2B25A3 is a dark, vivid blue. Relative luminance 0.045; OKLCH L 37.4% C 0.192 H 274.1°. Best body text is #FFFFFF at 11.07:1 contrast (WCAG AA passes).

Color values

HEX	#2B25A3
RGB	rgb(43, 37, 163)
HSL	hsl(243, 63%, 39%)
HSV	hsv(243, 77%, 64%)
CMYK	cmyk(73.6%, 77.3%, 0%, 36.1%)
CIE-LAB	lab(25.20, 43.95, -66.06)
CIE-LCH	lch(25.20, 79.35, 303.63°)
OKLab	oklab(37.42% 0.0136 -0.1911)
OKLCH	oklch(37.42% 0.192 274.1)
XYZ	xyz(8.2665, 4.4802, 35.0723)
Luminance	0.0448 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2B25A3 #9DA325

analogous

#255EA3 #2B25A3 #6A25A3

triadic

#2B25A3 #A32B25 #25A32B

tetradic

#2B25A3 #A3255E #9DA325 #25A36A

square

#2B25A3 #A3255E #9DA325 #25A36A

split-complementary

#2B25A3 #A36A25 #5EA325

monochromatic

#110E3F #1E1A71 #2B25A3 #3C34D1 #6C66DC

Accessibility & contrast

On white

11.07

#2B25A3 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.90

#2B25A3 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2B25A3

11.07:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2B25A3	#FFFFFF	#000000	##FFFFFF
##2B25A3	1.00	11.07	1.90	11.07
#FFFFFF	11.07	1.00	21.00	1.00
#000000	1.90	21.00	1.00	21.00
##FFFFFF	11.07	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0041A7

Deuteranopia (green-blind)

#0036A1

Tritanopia (blue-blind)

#004A63

Achromatopsia (no color)

#3C3C3C

Design tokens & code

CSS

--color: #2b25a3;
/* rgb */ color: rgb(43, 37, 163);
/* oklch */ color: oklch(37.4% 0.192 274.1);

Tailwind

colors: {
  custom: {
    50: '#7862c0',
    500: '#2b25a3',
    950: '#000000',
  },
}

SCSS

$custom: #2b25a3;
$custom-light: #7862c0;
$custom-dark: #000000;

JSON

{
  "hex": "#2b25a3",
  "rgb": {
    "r": 43,
    "g": 37,
    "b": 163
  },
  "hsl": {
    "h": 242.857,
    "s": 63,
    "l": 39.216
  },
  "oklch": {
    "l": 0.37418,
    "c": 0.19159,
    "h": 274.1
  },
  "luminance": 0.04481
}

Semantic roles & 50–950 ramp

primary

#2B25A3

secondary

#BDC262

accent

#E642DE

background

#F8F5FB

surface

#EFEAF7

border

#CAC6D0

text

#0A0512

muted

#7C7981

Preview Lab

Preview with #2B25A3

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

Preview Lab → · Contrast checker → · Palette generator →