#2B1DA5#2B1DA5

#2B1DA5 is a dark, highly saturated blue. Relative luminance 0.041; OKLCH L 36.7% C 0.201 H 274.6°. Best body text is #FFFFFF at 11.53:1 contrast (WCAG AA passes).

Color values

HEX	#2B1DA5
RGB	rgb(43, 29, 165)
HSL	hsl(246, 70%, 38%)
HSV	hsv(246, 82%, 65%)
CMYK	cmyk(73.9%, 82.4%, 0%, 35.3%)
CIE-LAB	lab(24.03, 48.63, -69.22)
CIE-LCH	lch(24.03, 84.60, 305.09°)
OKLab	oklab(36.67% 0.0163 -0.2002)
OKLCH	oklch(36.67% 0.201 274.6)
XYZ	xyz(8.2249, 4.1081, 35.9495)
Luminance	0.0411 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2B1DA5 #97A51D

analogous

#1D53A5 #2B1DA5 #6F1DA5

triadic

#2B1DA5 #A52B1D #1DA52B

tetradic

#2B1DA5 #A51D53 #97A51D #1DA56F

square

#2B1DA5 #A51D53 #97A51D #1DA56F

split-complementary

#2B1DA5 #A56F1D #53A51D

monochromatic

#100B3D #1D1471 #2B1DA5 #3926D9 #685AE2

Accessibility & contrast

On white

11.53

#2B1DA5 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.82

#2B1DA5 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2B1DA5

11.53:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2B1DA5	#FFFFFF	#000000	##FFFFFF
##2B1DA5	1.00	11.53	1.82	11.53
#FFFFFF	11.53	1.00	21.00	1.00
#000000	1.82	21.00	1.00	21.00
##FFFFFF	11.53	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003FA9

Deuteranopia (green-blind)

#0033A3

Tritanopia (blue-blind)

#004862

Achromatopsia (no color)

#393939

Design tokens & code

CSS

--color: #2b1da5;
/* rgb */ color: rgb(43, 29, 165);
/* oklch */ color: oklch(36.7% 0.201 274.6);

Tailwind

colors: {
  custom: {
    50: '#795ec1',
    500: '#2b1da5',
    950: '#000000',
  },
}

SCSS

$custom: #2b1da5;
$custom-light: #795ec1;
$custom-dark: #000000;

JSON

{
  "hex": "#2b1da5",
  "rgb": {
    "r": 43,
    "g": 29,
    "b": 165
  },
  "hsl": {
    "h": 246.176,
    "s": 70.103,
    "l": 38.039
  },
  "oklch": {
    "l": 0.36666,
    "c": 0.20082,
    "h": 274.6
  },
  "luminance": 0.04109
}

Semantic roles & 50–950 ramp

primary

#2B1DA5

secondary

#BBC658

accent

#ED3BDB

background

#F8F5FC

surface

#EFE9F8

border

#CAC5D1

text

#0B0512

muted

#7C7981

Preview Lab

Preview with #2B1DA5

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

Preview Lab → · Contrast checker → · Palette generator →