#2B25A9#2B25A9

#2B25A9 is a dark, vivid blue. Relative luminance 0.047; OKLCH L 38.1% C 0.199 H 273.5°. Best body text is #FFFFFF at 10.82:1 contrast (WCAG AA passes).

Color values

HEX	#2B25A9
RGB	rgb(43, 37, 169)
HSL	hsl(243, 64%, 40%)
HSV	hsv(243, 78%, 66%)
CMYK	cmyk(74.6%, 78.1%, 0%, 33.7%)
CIE-LAB	lab(25.86, 45.89, -68.60)
CIE-LCH	lch(25.86, 82.53, 303.78°)
OKLab	oklab(38.08% 0.0122 -0.1985)
OKLCH	oklch(38.08% 0.199 273.5)
XYZ	xyz(8.8169, 4.7004, 37.9710)
Luminance	0.0470 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2B25A9 #A3A925

analogous

#2561A9 #2B25A9 #6D25A9

triadic

#2B25A9 #A92B25 #25A92B

tetradic

#2B25A9 #A92561 #A3A925 #25A96D

square

#2B25A9 #A92561 #A3A925 #25A96D

split-complementary

#2B25A9 #A96D25 #61A925

monochromatic

#110F45 #1E1A77 #2B25A9 #3F38D3 #6F6ADE

Accessibility & contrast

On white

10.82

#2B25A9 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.94

#2B25A9 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2B25A9

10.82:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2B25A9	#FFFFFF	#000000	##FFFFFF
##2B25A9	1.00	10.82	1.94	10.82
#FFFFFF	10.82	1.00	21.00	1.00
#000000	1.94	21.00	1.00	21.00
##FFFFFF	10.82	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0043AD

Deuteranopia (green-blind)

#0037A7

Tritanopia (blue-blind)

#004D66

Achromatopsia (no color)

#3D3D3D

Design tokens & code

CSS

--color: #2b25a9;
/* rgb */ color: rgb(43, 37, 169);
/* oklch */ color: oklch(38.1% 0.199 273.5);

Tailwind

colors: {
  custom: {
    50: '#7a62c4',
    500: '#2b25a9',
    950: '#000000',
  },
}

SCSS

$custom: #2b25a9;
$custom-light: #7a62c4;
$custom-dark: #000000;

JSON

{
  "hex": "#2b25a9",
  "rgb": {
    "r": 43,
    "g": 37,
    "b": 169
  },
  "hsl": {
    "h": 242.727,
    "s": 64.078,
    "l": 40.392
  },
  "oklch": {
    "l": 0.38081,
    "c": 0.19885,
    "h": 273.5
  },
  "luminance": 0.04701
}

Semantic roles & 50–950 ramp

primary

#2B25A9

secondary

#C0C465

accent

#E741E0

background

#F8F6FC

surface

#EFEBF8

border

#CAC6D1

text

#0B0513

muted

#7C7A82

Preview Lab

Preview with #2B25A9

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

Preview Lab → · Contrast checker → · Palette generator →