#2B1FA7#2B1FA7

#2B1FA7 is a dark, highly saturated blue. Relative luminance 0.043; OKLCH L 37.1% C 0.202 H 274.3°. Best body text is #FFFFFF at 11.31:1 contrast (WCAG AA passes).

Color values

HEX	#2B1FA7
RGB	rgb(43, 31, 167)
HSL	hsl(245, 69%, 39%)
HSV	hsv(245, 81%, 65%)
CMYK	cmyk(74.3%, 81.4%, 0%, 34.5%)
CIE-LAB	lab(24.58, 48.30, -69.51)
CIE-LCH	lch(24.58, 84.64, 304.80°)
OKLab	oklab(37.12% 0.015 -0.201)
OKLCH	oklch(37.12% 0.202 274.3)
XYZ	xyz(8.4590, 4.2827, 36.9326)
Luminance	0.0428 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2B1FA7 #9BA71F

analogous

#1F57A7 #2B1FA7 #6F1FA7

triadic

#2B1FA7 #A72B1F #1FA72B

tetradic

#2B1FA7 #A71F57 #9BA71F #1FA76F

square

#2B1FA7 #A71F57 #9BA71F #1FA76F

split-complementary

#2B1FA7 #A76F1F #57A71F

monochromatic

#100C40 #1E1573 #2B1FA7 #3B2BD8 #6B5FE1

Accessibility & contrast

On white

11.31

#2B1FA7 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.86

#2B1FA7 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2B1FA7

11.31:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2B1FA7	#FFFFFF	#000000	##FFFFFF
##2B1FA7	1.00	11.31	1.86	11.31
#FFFFFF	11.31	1.00	21.00	1.00
#000000	1.86	21.00	1.00	21.00
##FFFFFF	11.31	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0040AB

Deuteranopia (green-blind)

#0034A5

Tritanopia (blue-blind)

#004A64

Achromatopsia (no color)

#3A3A3A

Design tokens & code

CSS

--color: #2b1fa7;
/* rgb */ color: rgb(43, 31, 167);
/* oklch */ color: oklch(37.1% 0.202 274.3);

Tailwind

colors: {
  custom: {
    50: '#7a5fc3',
    500: '#2b1fa7',
    950: '#000000',
  },
}

SCSS

$custom: #2b1fa7;
$custom-light: #7a5fc3;
$custom-dark: #000000;

JSON

{
  "hex": "#2b1fa7",
  "rgb": {
    "r": 43,
    "g": 31,
    "b": 167
  },
  "hsl": {
    "h": 245.294,
    "s": 68.687,
    "l": 38.824
  },
  "oklch": {
    "l": 0.37122,
    "c": 0.20158,
    "h": 274.3
  },
  "luminance": 0.04284
}

Semantic roles & 50–950 ramp

primary

#2B1FA7

secondary

#BCC65C

accent

#EC3CDC

background

#F8F5FC

surface

#EFE9F8

border

#CAC5D1

text

#0B0513

muted

#7C7982

Preview Lab

Preview with #2B1FA7

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

Preview Lab → · Contrast checker → · Palette generator →