#2B1D75#2B1D75

#2B1D75 is a dark, vivid blue. Relative luminance 0.027; OKLCH L 31.4% C 0.142 H 281.7°. Best body text is #FFFFFF at 13.68:1 contrast (WCAG AA passes).

Color values

HEX	#2B1D75
RGB	rgb(43, 29, 117)
HSL	hsl(250, 60%, 29%)
HSV	hsv(250, 75%, 46%)
CMYK	cmyk(63.2%, 75.2%, 0%, 54.1%)
CIE-LAB	lab(18.70, 33.25, -48.08)
CIE-LCH	lch(18.70, 58.46, 304.67°)
OKLab	oklab(31.36% 0.0288 -0.1386)
OKLCH	oklch(31.36% 0.142 281.7)
XYZ	xyz(4.6455, 2.6763, 17.0980)
Luminance	0.0268 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2B1D75 #67751D

analogous

#1D3B75 #2B1D75 #571D75

triadic

#2B1D75 #752B1D #1D752B

tetradic

#2B1D75 #751D3B #67751D #1D7557

square

#2B1D75 #751D3B #67751D #1D7557

split-complementary

#2B1D75 #75571D #3B751D

monochromatic

#090619 #191144 #2B1D75 #3D29A6 #553DCF

Accessibility & contrast

On white

13.68

#2B1D75 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.54

#2B1D75 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2B1D75

13.68:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2B1D75	#FFFFFF	#000000	##FFFFFF
##2B1D75	1.00	13.68	1.54	13.68
#FFFFFF	13.68	1.00	21.00	1.00
#000000	1.54	21.00	1.00	21.00
##FFFFFF	13.68	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003078

Deuteranopia (green-blind)

#002A73

Tritanopia (blue-blind)

#003547

Achromatopsia (no color)

#2D2D2D

Design tokens & code

CSS

--color: #2b1d75;
/* rgb */ color: rgb(43, 29, 117);
/* oklch */ color: oklch(31.4% 0.142 281.7);

Tailwind

colors: {
  custom: {
    50: '#6e5b9e',
    500: '#2b1d75',
    950: '#000000',
  },
}

SCSS

$custom: #2b1d75;
$custom-light: #6e5b9e;
$custom-dark: #000000;

JSON

{
  "hex": "#2b1d75",
  "rgb": {
    "r": 43,
    "g": 29,
    "b": 117
  },
  "hsl": {
    "h": 249.545,
    "s": 60.274,
    "l": 28.627
  },
  "oklch": {
    "l": 0.3136,
    "c": 0.14155,
    "h": 281.7
  },
  "luminance": 0.02677
}

Semantic roles & 50–950 ramp

primary

#2B1D75

secondary

#99A945

accent

#E344CA

background

#F7F5F9

surface

#EDE9F2

border

#C8C5CC

text

#08040E

muted

#7B797E

Preview Lab

Preview with #2B1D75

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

Preview Lab → · Contrast checker → · Palette generator →