#2B1DA7#2B1DA7

#2B1DA7 is a dark, highly saturated blue. Relative luminance 0.042; OKLCH L 36.9% C 0.203 H 274.4°. Best body text is #FFFFFF at 11.44:1 contrast (WCAG AA passes).

Color values

HEX	#2B1DA7
RGB	rgb(43, 29, 167)
HSL	hsl(246, 70%, 38%)
HSV	hsv(246, 83%, 65%)
CMYK	cmyk(74.3%, 82.6%, 0%, 34.5%)
CIE-LAB	lab(24.26, 49.24, -70.04)
CIE-LCH	lch(24.26, 85.62, 305.11°)
OKLab	oklab(36.9% 0.0157 -0.2025)
OKLCH	oklch(36.9% 0.203 274.4)
XYZ	xyz(8.4084, 4.1815, 36.9157)
Luminance	0.0418 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2B1DA7 #99A71D

analogous

#1D54A7 #2B1DA7 #701DA7

triadic

#2B1DA7 #A72B1D #1DA72B

tetradic

#2B1DA7 #A71D54 #99A71D #1DA770

square

#2B1DA7 #A71D54 #99A71D #1DA770

split-complementary

#2B1DA7 #A7701D #54A71D

monochromatic

#100B3F #1E1473 #2B1DA7 #3A28DA #695CE3

Accessibility & contrast

On white

11.44

#2B1DA7 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.84

#2B1DA7 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2B1DA7

11.44:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2B1DA7	#FFFFFF	#000000	##FFFFFF
##2B1DA7	1.00	11.44	1.84	11.44
#FFFFFF	11.44	1.00	21.00	1.00
#000000	1.84	21.00	1.00	21.00
##FFFFFF	11.44	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0040AB

Deuteranopia (green-blind)

#0033A5

Tritanopia (blue-blind)

#004963

Achromatopsia (no color)

#3A3A3A

Design tokens & code

CSS

--color: #2b1da7;
/* rgb */ color: rgb(43, 29, 167);
/* oklch */ color: oklch(36.9% 0.203 274.4);

Tailwind

colors: {
  custom: {
    50: '#7a5ec3',
    500: '#2b1da7',
    950: '#000000',
  },
}

SCSS

$custom: #2b1da7;
$custom-light: #7a5ec3;
$custom-dark: #000000;

JSON

{
  "hex": "#2b1da7",
  "rgb": {
    "r": 43,
    "g": 29,
    "b": 167
  },
  "hsl": {
    "h": 246.087,
    "s": 70.408,
    "l": 38.431
  },
  "oklch": {
    "l": 0.36898,
    "c": 0.20315,
    "h": 274.4
  },
  "luminance": 0.04182
}

Semantic roles & 50–950 ramp

primary

#2B1DA7

secondary

#BCC759

accent

#ED3BDB

background

#F8F5FC

surface

#EFE9F8

border

#CAC5D1

text

#0B0513

muted

#7C7982

Preview Lab

Preview with #2B1DA7

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

Preview Lab → · Contrast checker → · Palette generator →