#2B25A6#2B25A6

#2B25A6 is a dark, vivid blue. Relative luminance 0.046; OKLCH L 37.7% C 0.195 H 273.8°. Best body text is #FFFFFF at 10.95:1 contrast (WCAG AA passes).

Color values

HEX	#2B25A6
RGB	rgb(43, 37, 166)
HSL	hsl(243, 64%, 40%)
HSV	hsv(243, 78%, 65%)
CMYK	cmyk(74.1%, 77.7%, 0%, 34.9%)
CIE-LAB	lab(25.53, 44.92, -67.34)
CIE-LCH	lch(25.53, 80.95, 303.71°)
OKLab	oklab(37.75% 0.0129 -0.1948)
OKLCH	oklch(37.75% 0.195 273.8)
XYZ	xyz(8.5385, 4.5890, 36.5048)
Luminance	0.0459 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2B25A6 #A0A625

analogous

#255FA6 #2B25A6 #6C25A6

triadic

#2B25A6 #A62B25 #25A62B

tetradic

#2B25A6 #A6255F #A0A625 #25A66C

square

#2B25A6 #A6255F #A0A625 #25A66C

split-complementary

#2B25A6 #A66C25 #5FA625

monochromatic

#110F42 #1E1A74 #2B25A6 #3D36D2 #6E68DD

Accessibility & contrast

On white

10.95

#2B25A6 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.92

#2B25A6 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2B25A6

10.95:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2B25A6	#FFFFFF	#000000	##FFFFFF
##2B25A6	1.00	10.95	1.92	10.95
#FFFFFF	10.95	1.00	21.00	1.00
#000000	1.92	21.00	1.00	21.00
##FFFFFF	10.95	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0042AA

Deuteranopia (green-blind)

#0036A4

Tritanopia (blue-blind)

#004C65

Achromatopsia (no color)

#3C3C3C

Design tokens & code

CSS

--color: #2b25a6;
/* rgb */ color: rgb(43, 37, 166);
/* oklch */ color: oklch(37.7% 0.195 273.8);

Tailwind

colors: {
  custom: {
    50: '#7962c2',
    500: '#2b25a6',
    950: '#000000',
  },
}

SCSS

$custom: #2b25a6;
$custom-light: #7962c2;
$custom-dark: #000000;

JSON

{
  "hex": "#2b25a6",
  "rgb": {
    "r": 43,
    "g": 37,
    "b": 166
  },
  "hsl": {
    "h": 242.791,
    "s": 63.547,
    "l": 39.804
  },
  "oklch": {
    "l": 0.37749,
    "c": 0.19523,
    "h": 273.8
  },
  "luminance": 0.0459
}

Semantic roles & 50–950 ramp

primary

#2B25A6

secondary

#BFC364

accent

#E741DF

background

#F8F5FC

surface

#EFEAF8

border

#CAC6D1

text

#0B0513

muted

#7C7982

Preview Lab

Preview with #2B25A6

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

Preview Lab → · Contrast checker → · Palette generator →