#2A17A1#2A17A1

#2A17A1 is a dark, highly saturated blue. Relative luminance 0.037; OKLCH L 35.5% C 0.201 H 275.1°. Best body text is #FFFFFF at 12.10:1 contrast (WCAG AA passes).

Color values

HEX	#2A17A1
RGB	rgb(42, 23, 161)
HSL	hsl(248, 75%, 36%)
HSV	hsv(248, 86%, 63%)
CMYK	cmyk(73.9%, 85.7%, 0%, 36.9%)
CIE-LAB	lab(22.58, 50.00, -69.20)
CIE-LCH	lch(22.58, 85.37, 305.85°)
OKLab	oklab(35.51% 0.018 -0.2)
OKLCH	oklch(35.51% 0.201 275.1)
XYZ	xyz(7.6921, 3.6775, 34.0157)
Luminance	0.0368 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2A17A1 #8EA117

analogous

#1749A1 #2A17A1 #6F17A1

triadic

#2A17A1 #A12A17 #17A12A

tetradic

#2A17A1 #A11749 #8EA117 #17A16F

square

#2A17A1 #A11749 #8EA117 #17A16F

split-complementary

#2A17A1 #A16F17 #49A117

monochromatic

#0E0836 #1C0F6B #2A17A1 #381FD7 #624DE6

Accessibility & contrast

On white

12.10

#2A17A1 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.74

#2A17A1 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2A17A1

12.10:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2A17A1	#FFFFFF	#000000	##FFFFFF
##2A17A1	1.00	12.10	1.74	12.10
#FFFFFF	12.10	1.00	21.00	1.00
#000000	1.74	21.00	1.00	21.00
##FFFFFF	12.10	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003CA5

Deuteranopia (green-blind)

#00309F

Tritanopia (blue-blind)

#00455F

Achromatopsia (no color)

#363636

Design tokens & code

CSS

--color: #2a17a1;
/* rgb */ color: rgb(42, 23, 161);
/* oklch */ color: oklch(35.5% 0.201 275.1);

Tailwind

colors: {
  custom: {
    50: '#785abe',
    500: '#2a17a1',
    950: '#000000',
  },
}

SCSS

$custom: #2a17a1;
$custom-light: #785abe;
$custom-dark: #000000;

JSON

{
  "hex": "#2a17a1",
  "rgb": {
    "r": 42,
    "g": 23,
    "b": 161
  },
  "hsl": {
    "h": 248.261,
    "s": 75,
    "l": 36.078
  },
  "oklch": {
    "l": 0.35509,
    "c": 0.2008,
    "h": 275.1
  },
  "luminance": 0.03678
}

Semantic roles & 50–950 ramp

primary

#2A17A1

secondary

#B6C74C

accent

#F236D8

background

#F8F5FB

surface

#EFE9F7

border

#CAC5D0

text

#0B0412

muted

#7C7981

Preview Lab

Preview with #2A17A1

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

Preview Lab → · Contrast checker → · Palette generator →