#2B25A7#2B25A7

#2B25A7 is a dark, vivid blue. Relative luminance 0.046; OKLCH L 37.9% C 0.196 H 273.7°. Best body text is #FFFFFF at 10.91:1 contrast (WCAG AA passes).

Color values

HEX	#2B25A7
RGB	rgb(43, 37, 167)
HSL	hsl(243, 64%, 40%)
HSV	hsv(243, 78%, 65%)
CMYK	cmyk(74.3%, 77.8%, 0%, 34.5%)
CIE-LAB	lab(25.64, 45.25, -67.76)
CIE-LCH	lch(25.64, 81.48, 303.73°)
OKLab	oklab(37.86% 0.0127 -0.196)
OKLCH	oklch(37.86% 0.196 273.7)
XYZ	xyz(8.6306, 4.6259, 36.9898)
Luminance	0.0463 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2B25A7 #A1A725

analogous

#2560A7 #2B25A7 #6C25A7

triadic

#2B25A7 #A72B25 #25A72B

tetradic

#2B25A7 #A72560 #A1A725 #25A76C

square

#2B25A7 #A72560 #A1A725 #25A76C

split-complementary

#2B25A7 #A76C25 #60A725

monochromatic

#110F43 #1E1A75 #2B25A7 #3E37D3 #6E69DE

Accessibility & contrast

On white

10.91

#2B25A7 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.93

#2B25A7 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2B25A7

10.91:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2B25A7	#FFFFFF	#000000	##FFFFFF
##2B25A7	1.00	10.91	1.93	10.91
#FFFFFF	10.91	1.00	21.00	1.00
#000000	1.93	21.00	1.00	21.00
##FFFFFF	10.91	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0043AB

Deuteranopia (green-blind)

#0036A5

Tritanopia (blue-blind)

#004C65

Achromatopsia (no color)

#3D3D3D

Design tokens & code

CSS

--color: #2b25a7;
/* rgb */ color: rgb(43, 37, 167);
/* oklch */ color: oklch(37.9% 0.196 273.7);

Tailwind

colors: {
  custom: {
    50: '#7962c2',
    500: '#2b25a7',
    950: '#000000',
  },
}

SCSS

$custom: #2b25a7;
$custom-light: #7962c2;
$custom-dark: #000000;

JSON

{
  "hex": "#2b25a7",
  "rgb": {
    "r": 43,
    "g": 37,
    "b": 167
  },
  "hsl": {
    "h": 242.769,
    "s": 63.725,
    "l": 40
  },
  "oklch": {
    "l": 0.37859,
    "c": 0.19644,
    "h": 273.7
  },
  "luminance": 0.04627
}

Semantic roles & 50–950 ramp

primary

#2B25A7

secondary

#BFC464

accent

#E741DF

background

#F8F5FC

surface

#EFEAF8

border

#CAC6D1

text

#0B0513

muted

#7C7982

Preview Lab

Preview with #2B25A7

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

Preview Lab → · Contrast checker → · Palette generator →