#2B25B0#2B25B0

#2B25B0 is a dark, highly saturated blue. Relative luminance 0.050; OKLCH L 38.9% C 0.207 H 273.0°. Best body text is #FFFFFF at 10.53:1 contrast (WCAG AA passes).

Color values

HEX	#2B25B0
RGB	rgb(43, 37, 176)
HSL	hsl(243, 65%, 42%)
HSV	hsv(243, 79%, 69%)
CMYK	cmyk(75.6%, 79%, 0%, 31%)
CIE-LAB	lab(26.65, 48.14, -71.50)
CIE-LCH	lch(26.65, 86.20, 303.95°)
OKLab	oklab(38.86% 0.0107 -0.2069)
OKLCH	oklch(38.86% 0.207 273)
XYZ	xyz(9.4917, 4.9703, 41.5250)
Luminance	0.0497 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2B25B0 #AAB025

analogous

#2565B0 #2B25B0 #7125B0

triadic

#2B25B0 #B02B25 #25B02B

tetradic

#2B25B0 #B02565 #AAB025 #25B071

square

#2B25B0 #B02565 #AAB025 #25B071

split-complementary

#2B25B0 #B07125 #65B025

monochromatic

#12104B #1F1A7D #2B25B0 #433CD6 #746FE1

Accessibility & contrast

On white

10.53

#2B25B0 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.99

#2B25B0 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2B25B0

10.53:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2B25B0	#FFFFFF	#000000	##FFFFFF
##2B25B0	1.00	10.53	1.99	10.53
#FFFFFF	10.53	1.00	21.00	1.00
#000000	1.99	21.00	1.00	21.00
##FFFFFF	10.53	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0046B4

Deuteranopia (green-blind)

#0038AE

Tritanopia (blue-blind)

#00506A

Achromatopsia (no color)

#3F3F3F

Design tokens & code

CSS

--color: #2b25b0;
/* rgb */ color: rgb(43, 37, 176);
/* oklch */ color: oklch(38.9% 0.207 273.0);

Tailwind

colors: {
  custom: {
    50: '#7b63c9',
    500: '#2b25b0',
    950: '#000000',
  },
}

SCSS

$custom: #2b25b0;
$custom-light: #7b63c9;
$custom-dark: #000000;

JSON

{
  "hex": "#2b25b0",
  "rgb": {
    "r": 43,
    "g": 37,
    "b": 176
  },
  "hsl": {
    "h": 242.59,
    "s": 65.258,
    "l": 41.765
  },
  "oklch": {
    "l": 0.38862,
    "c": 0.20717,
    "h": 273
  },
  "luminance": 0.04971
}

Semantic roles & 50–950 ramp

primary

#2B25B0

secondary

#C3C76A

accent

#E840E1

background

#F8F6FC

surface

#EFEBF8

border

#CAC6D1

text

#0B0513

muted

#7C7A82

Preview Lab

Preview with #2B25B0

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

Preview Lab → · Contrast checker → · Palette generator →