#2B128D#2B128D

#2B128D is a dark, vivid violet. Relative luminance 0.029; OKLCH L 32.7% C 0.181 H 278.8°. Best body text is #FFFFFF at 13.34:1 contrast (WCAG AA passes).

Color values

HEX	#2B128D
RGB	rgb(43, 18, 141)
HSL	hsl(252, 77%, 31%)
HSV	hsv(252, 87%, 55%)
CMYK	cmyk(69.5%, 87.2%, 0%, 44.7%)
CIE-LAB	lab(19.51, 46.23, -61.94)
CIE-LCH	lch(19.51, 77.29, 306.74°)
OKLab	oklab(32.72% 0.0278 -0.1788)
OKLCH	oklch(32.72% 0.181 278.8)
XYZ	xyz(6.0187, 2.8688, 25.4307)
Luminance	0.0287 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2B128D #748D12

analogous

#12368D #2B128D #68128D

triadic

#2B128D #8D2B12 #128D2B

tetradic

#2B128D #8D1236 #748D12 #128D68

square

#2B128D #8D1236 #748D12 #128D68

split-complementary

#2B128D #8D6812 #368D12

monochromatic

#0A0420 #1A0B57 #2B128D #3C19C3 #5834E5

Accessibility & contrast

On white

13.34

#2B128D on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.57

#2B128D on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2B128D

13.34:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2B128D	#FFFFFF	#000000	##FFFFFF
##2B128D	1.00	13.34	1.57	13.34
#FFFFFF	13.34	1.00	21.00	1.00
#000000	1.57	21.00	1.00	21.00
##FFFFFF	13.34	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003490

Deuteranopia (green-blind)

#002A8B

Tritanopia (blue-blind)

#003B52

Achromatopsia (no color)

#2F2F2F

Design tokens & code

CSS

--color: #2b128d;
/* rgb */ color: rgb(43, 18, 141);
/* oklch */ color: oklch(32.7% 0.181 278.8);

Tailwind

colors: {
  custom: {
    50: '#7556b0',
    500: '#2b128d',
    950: '#000000',
  },
}

SCSS

$custom: #2b128d;
$custom-light: #7556b0;
$custom-dark: #000000;

JSON

{
  "hex": "#2b128d",
  "rgb": {
    "r": 43,
    "g": 18,
    "b": 141
  },
  "hsl": {
    "h": 252.195,
    "s": 77.358,
    "l": 31.176
  },
  "oklch": {
    "l": 0.32724,
    "c": 0.18099,
    "h": 278.8
  },
  "luminance": 0.02869
}

Semantic roles & 50–950 ramp

primary

#2B128D

secondary

#A6C139

accent

#F434CD

background

#F7F5FB

surface

#EEE9F6

border

#C9C5D0

text

#0A0311

muted

#7C7880

Preview Lab

Preview with #2B128D

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

Preview Lab → · Contrast checker → · Palette generator →