#2B25A4#2B25A4

#2B25A4 is a dark, vivid blue. Relative luminance 0.045; OKLCH L 37.5% C 0.193 H 274.0°. Best body text is #FFFFFF at 11.03:1 contrast (WCAG AA passes).

Color values

HEX	#2B25A4
RGB	rgb(43, 37, 164)
HSL	hsl(243, 63%, 39%)
HSV	hsv(243, 77%, 64%)
CMYK	cmyk(73.8%, 77.4%, 0%, 35.7%)
CIE-LAB	lab(25.31, 44.27, -66.49)
CIE-LCH	lch(25.31, 79.88, 303.66°)
OKLab	oklab(37.53% 0.0133 -0.1923)
OKLCH	oklch(37.53% 0.193 274)
XYZ	xyz(8.3564, 4.5162, 35.5461)
Luminance	0.0452 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2B25A4 #9EA425

analogous

#255EA4 #2B25A4 #6B25A4

triadic

#2B25A4 #A42B25 #25A42B

tetradic

#2B25A4 #A4255E #9EA425 #25A46B

square

#2B25A4 #A4255E #9EA425 #25A46B

split-complementary

#2B25A4 #A46B25 #5EA425

monochromatic

#110E40 #1E1A72 #2B25A4 #3C35D1 #6C67DD

Accessibility & contrast

On white

11.03

#2B25A4 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.90

#2B25A4 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2B25A4

11.03:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2B25A4	#FFFFFF	#000000	##FFFFFF
##2B25A4	1.00	11.03	1.90	11.03
#FFFFFF	11.03	1.00	21.00	1.00
#000000	1.90	21.00	1.00	21.00
##FFFFFF	11.03	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0042A8

Deuteranopia (green-blind)

#0036A2

Tritanopia (blue-blind)

#004B63

Achromatopsia (no color)

#3C3C3C

Design tokens & code

CSS

--color: #2b25a4;
/* rgb */ color: rgb(43, 37, 164);
/* oklch */ color: oklch(37.5% 0.193 274.0);

Tailwind

colors: {
  custom: {
    50: '#7862c0',
    500: '#2b25a4',
    950: '#000000',
  },
}

SCSS

$custom: #2b25a4;
$custom-light: #7862c0;
$custom-dark: #000000;

JSON

{
  "hex": "#2b25a4",
  "rgb": {
    "r": 43,
    "g": 37,
    "b": 164
  },
  "hsl": {
    "h": 242.835,
    "s": 63.184,
    "l": 39.412
  },
  "oklch": {
    "l": 0.37528,
    "c": 0.1928,
    "h": 274
  },
  "luminance": 0.04517
}

Semantic roles & 50–950 ramp

primary

#2B25A4

secondary

#BEC262

accent

#E642DE

background

#F8F5FC

surface

#EFEAF8

border

#CAC6D1

text

#0B0512

muted

#7C7981

Preview Lab

Preview with #2B25A4

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

Preview Lab → · Contrast checker → · Palette generator →