#2D17A1#2D17A1

#2D17A1 is a dark, highly saturated blue. Relative luminance 0.037; OKLCH L 35.7% C 0.200 H 276.4°. Best body text is #FFFFFF at 12.01:1 contrast (WCAG AA passes).

Color values

HEX	#2D17A1
RGB	rgb(45, 23, 161)
HSL	hsl(250, 75%, 36%)
HSV	hsv(250, 86%, 63%)
CMYK	cmyk(72%, 85.7%, 0%, 36.9%)
CIE-LAB	lab(22.80, 50.21, -68.81)
CIE-LCH	lch(22.80, 85.18, 306.11°)
OKLab	oklab(35.72% 0.0223 -0.1988)
OKLCH	oklch(35.72% 0.2 276.4)
XYZ	xyz(7.8195, 3.7431, 34.0217)
Luminance	0.0374 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2D17A1 #8BA117

analogous

#1746A1 #2D17A1 #7217A1

triadic

#2D17A1 #A12D17 #17A12D

tetradic

#2D17A1 #A11746 #8BA117 #17A172

square

#2D17A1 #A11746 #8BA117 #17A172

split-complementary

#2D17A1 #A17217 #46A117

monochromatic

#0F0836 #1E0F6B #2D17A1 #3C1FD7 #654DE6

Accessibility & contrast

On white

12.01

#2D17A1 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.75

#2D17A1 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2D17A1

12.01:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2D17A1	#FFFFFF	#000000	##FFFFFF
##2D17A1	1.00	12.01	1.75	12.01
#FFFFFF	12.01	1.00	21.00	1.00
#000000	1.75	21.00	1.00	21.00
##FFFFFF	12.01	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003CA5

Deuteranopia (green-blind)

#00309F

Tritanopia (blue-blind)

#00445F

Achromatopsia (no color)

#363636

Design tokens & code

CSS

--color: #2d17a1;
/* rgb */ color: rgb(45, 23, 161);
/* oklch */ color: oklch(35.7% 0.200 276.4);

Tailwind

colors: {
  custom: {
    50: '#7a5bbe',
    500: '#2d17a1',
    950: '#000000',
  },
}

SCSS

$custom: #2d17a1;
$custom-light: #7a5bbe;
$custom-dark: #000000;

JSON

{
  "hex": "#2d17a1",
  "rgb": {
    "r": 45,
    "g": 23,
    "b": 161
  },
  "hsl": {
    "h": 249.565,
    "s": 75,
    "l": 36.078
  },
  "oklch": {
    "l": 0.35724,
    "c": 0.20007,
    "h": 276.4
  },
  "luminance": 0.03744
}

Semantic roles & 50–950 ramp

primary

#2D17A1

secondary

#B4C74C

accent

#F236D4

background

#F8F5FB

surface

#EFE9F7

border

#CAC5D0

text

#0B0412

muted

#7C7981

Preview Lab

Preview with #2D17A1

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

Preview Lab → · Contrast checker → · Palette generator →