#2B25A8#2B25A8

#2B25A8 is a dark, vivid blue. Relative luminance 0.047; OKLCH L 38.0% C 0.198 H 273.6°. Best body text is #FFFFFF at 10.87:1 contrast (WCAG AA passes).

Color values

HEX	#2B25A8
RGB	rgb(43, 37, 168)
HSL	hsl(243, 64%, 40%)
HSV	hsv(243, 78%, 66%)
CMYK	cmyk(74.4%, 78%, 0%, 34.1%)
CIE-LAB	lab(25.75, 45.57, -68.18)
CIE-LCH	lch(25.75, 82.01, 303.76°)
OKLab	oklab(37.97% 0.0125 -0.1972)
OKLCH	oklch(37.97% 0.198 273.6)
XYZ	xyz(8.7234, 4.6630, 37.4785)
Luminance	0.0466 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2B25A8 #A2A825

analogous

#2561A8 #2B25A8 #6C25A8

triadic

#2B25A8 #A82B25 #25A82B

tetradic

#2B25A8 #A82561 #A2A825 #25A86C

square

#2B25A8 #A82561 #A2A825 #25A86C

split-complementary

#2B25A8 #A86C25 #61A825

monochromatic

#110F44 #1E1A76 #2B25A8 #3E37D3 #6F69DE

Accessibility & contrast

On white

10.87

#2B25A8 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.93

#2B25A8 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2B25A8

10.87:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2B25A8	#FFFFFF	#000000	##FFFFFF
##2B25A8	1.00	10.87	1.93	10.87
#FFFFFF	10.87	1.00	21.00	1.00
#000000	1.93	21.00	1.00	21.00
##FFFFFF	10.87	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0043AC

Deuteranopia (green-blind)

#0037A6

Tritanopia (blue-blind)

#004C66

Achromatopsia (no color)

#3D3D3D

Design tokens & code

CSS

--color: #2b25a8;
/* rgb */ color: rgb(43, 37, 168);
/* oklch */ color: oklch(38.0% 0.198 273.6);

Tailwind

colors: {
  custom: {
    50: '#7962c3',
    500: '#2b25a8',
    950: '#000000',
  },
}

SCSS

$custom: #2b25a8;
$custom-light: #7962c3;
$custom-dark: #000000;

JSON

{
  "hex": "#2b25a8",
  "rgb": {
    "r": 43,
    "g": 37,
    "b": 168
  },
  "hsl": {
    "h": 242.748,
    "s": 63.902,
    "l": 40.196
  },
  "oklch": {
    "l": 0.3797,
    "c": 0.19764,
    "h": 273.6
  },
  "luminance": 0.04664
}

Semantic roles & 50–950 ramp

primary

#2B25A8

secondary

#C0C465

accent

#E741DF

background

#F8F5FC

surface

#EFEAF8

border

#CAC6D1

text

#0B0513

muted

#7C7982

Preview Lab

Preview with #2B25A8

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

Preview Lab → · Contrast checker → · Palette generator →