#2B25A1#2B25A1

#2B25A1 is a dark, vivid blue. Relative luminance 0.044; OKLCH L 37.2% C 0.189 H 274.2°. Best body text is #FFFFFF at 11.16:1 contrast (WCAG AA passes).

Color values

HEX	#2B25A1
RGB	rgb(43, 37, 161)
HSL	hsl(243, 63%, 39%)
HSV	hsv(243, 77%, 63%)
CMYK	cmyk(73.3%, 77%, 0%, 36.9%)
CIE-LAB	lab(24.98, 43.29, -65.21)
CIE-LCH	lch(24.98, 78.27, 303.58°)
OKLab	oklab(37.2% 0.014 -0.1886)
OKLCH	oklch(37.2% 0.189 274.2)
XYZ	xyz(8.0887, 4.4091, 34.1361)
Luminance	0.0441 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2B25A1 #9BA125

analogous

#255DA1 #2B25A1 #6925A1

triadic

#2B25A1 #A12B25 #25A12B

tetradic

#2B25A1 #A1255D #9BA125 #25A169

square

#2B25A1 #A1255D #9BA125 #25A169

split-complementary

#2B25A1 #A16925 #5DA125

monochromatic

#100E3D #1E1A6F #2B25A1 #3B33D0 #6B65DC

Accessibility & contrast

On white

11.16

#2B25A1 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.88

#2B25A1 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2B25A1

11.16:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2B25A1	#FFFFFF	#000000	##FFFFFF
##2B25A1	1.00	11.16	1.88	11.16
#FFFFFF	11.16	1.00	21.00	1.00
#000000	1.88	21.00	1.00	21.00
##FFFFFF	11.16	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0041A5

Deuteranopia (green-blind)

#00359F

Tritanopia (blue-blind)

#004A62

Achromatopsia (no color)

#3B3B3B

Design tokens & code

CSS

--color: #2b25a1;
/* rgb */ color: rgb(43, 37, 161);
/* oklch */ color: oklch(37.2% 0.189 274.2);

Tailwind

colors: {
  custom: {
    50: '#7862be',
    500: '#2b25a1',
    950: '#000000',
  },
}

SCSS

$custom: #2b25a1;
$custom-light: #7862be;
$custom-dark: #000000;

JSON

{
  "hex": "#2b25a1",
  "rgb": {
    "r": 43,
    "g": 37,
    "b": 161
  },
  "hsl": {
    "h": 242.903,
    "s": 62.626,
    "l": 38.824
  },
  "oklch": {
    "l": 0.37199,
    "c": 0.18915,
    "h": 274.2
  },
  "luminance": 0.0441
}

Semantic roles & 50–950 ramp

primary

#2B25A1

secondary

#BCC161

accent

#E642DE

background

#F8F5FB

surface

#EFEAF7

border

#CAC6D0

text

#0A0512

muted

#7C7981

Preview Lab

Preview with #2B25A1

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

Preview Lab → · Contrast checker → · Palette generator →