#2D18A1#2D18A1

#2D18A1 is a dark, vivid blue. Relative luminance 0.038; OKLCH L 35.8% C 0.199 H 276.3°. Best body text is #FFFFFF at 11.95:1 contrast (WCAG AA passes).

Color values

HEX	#2D18A1
RGB	rgb(45, 24, 161)
HSL	hsl(249, 74%, 36%)
HSV	hsv(249, 85%, 63%)
CMYK	cmyk(72%, 85.1%, 0%, 36.9%)
CIE-LAB	lab(22.94, 49.79, -68.58)
CIE-LCH	lch(22.94, 84.75, 305.98°)
OKLab	oklab(35.82% 0.0219 -0.1982)
OKLCH	oklch(35.82% 0.199 276.3)
XYZ	xyz(7.8397, 3.7836, 34.0285)
Luminance	0.0378 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2D18A1 #8CA118

analogous

#1848A1 #2D18A1 #7218A1

triadic

#2D18A1 #A12D18 #18A12D

tetradic

#2D18A1 #A11848 #8CA118 #18A172

square

#2D18A1 #A11848 #8CA118 #18A172

split-complementary

#2D18A1 #A17218 #48A118

monochromatic

#0F0836 #1E106C #2D18A1 #3C20D6 #664FE5

Accessibility & contrast

On white

11.95

#2D18A1 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.76

#2D18A1 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2D18A1

11.95:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2D18A1	#FFFFFF	#000000	##FFFFFF
##2D18A1	1.00	11.95	1.76	11.95
#FFFFFF	11.95	1.00	21.00	1.00
#000000	1.76	21.00	1.00	21.00
##FFFFFF	11.95	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003CA5

Deuteranopia (green-blind)

#00319F

Tritanopia (blue-blind)

#00455F

Achromatopsia (no color)

#373737

Design tokens & code

CSS

--color: #2d18a1;
/* rgb */ color: rgb(45, 24, 161);
/* oklch */ color: oklch(35.8% 0.199 276.3);

Tailwind

colors: {
  custom: {
    50: '#7a5bbe',
    500: '#2d18a1',
    950: '#000000',
  },
}

SCSS

$custom: #2d18a1;
$custom-light: #7a5bbe;
$custom-dark: #000000;

JSON

{
  "hex": "#2d18a1",
  "rgb": {
    "r": 45,
    "g": 24,
    "b": 161
  },
  "hsl": {
    "h": 249.197,
    "s": 74.054,
    "l": 36.275
  },
  "oklch": {
    "l": 0.3582,
    "c": 0.19938,
    "h": 276.3
  },
  "luminance": 0.03784
}

Semantic roles & 50–950 ramp

primary

#2D18A1

secondary

#B4C74E

accent

#F137D4

background

#F8F5FB

surface

#EFE9F7

border

#CAC5D0

text

#0B0412

muted

#7C7981

Preview Lab

Preview with #2D18A1

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

Preview Lab → · Contrast checker → · Palette generator →