#2A15B3#2A15B3

#2A15B3 is a dark, highly saturated blue. Relative luminance 0.043; OKLCH L 37.5% C 0.222 H 273.3°. Best body text is #FFFFFF at 11.31:1 contrast (WCAG AA passes).

Color values

HEX	#2A15B3
RGB	rgb(42, 21, 179)
HSL	hsl(248, 79%, 39%)
HSV	hsv(248, 88%, 70%)
CMYK	cmyk(76.5%, 88.3%, 0%, 29.8%)
CIE-LAB	lab(24.58, 55.94, -76.73)
CIE-LCH	lch(24.58, 94.96, 306.09°)
OKLab	oklab(37.52% 0.0129 -0.2218)
OKLCH	oklch(37.52% 0.222 273.3)
XYZ	xyz(9.3570, 4.2823, 42.9725)
Luminance	0.0428 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2A15B3 #9EB315

analogous

#154FB3 #2A15B3 #7915B3

triadic

#2A15B3 #B32A15 #15B32A

tetradic

#2A15B3 #B3154F #9EB315 #15B379

square

#2A15B3 #B3154F #9EB315 #15B379

split-complementary

#2A15B3 #B37915 #4FB315

monochromatic

#100845 #1D0F7C #2A15B3 #3A20E5 #6B57EB

Accessibility & contrast

On white

11.31

#2A15B3 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.86

#2A15B3 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2A15B3

11.31:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2A15B3	#FFFFFF	#000000	##FFFFFF
##2A15B3	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)

#0041B7

Deuteranopia (green-blind)

#0033B0

Tritanopia (blue-blind)

#004C69

Achromatopsia (no color)

#3A3A3A

Design tokens & code

CSS

--color: #2a15b3;
/* rgb */ color: rgb(42, 21, 179);
/* oklch */ color: oklch(37.5% 0.222 273.3);

Tailwind

colors: {
  custom: {
    50: '#7d5bcb',
    500: '#2a15b3',
    950: '#000000',
  },
}

SCSS

$custom: #2a15b3;
$custom-light: #7d5bcb;
$custom-dark: #000000;

JSON

{
  "hex": "#2a15b3",
  "rgb": {
    "r": 42,
    "g": 21,
    "b": 179
  },
  "hsl": {
    "h": 247.975,
    "s": 79,
    "l": 39.216
  },
  "oklch": {
    "l": 0.37523,
    "c": 0.22216,
    "h": 273.3
  },
  "luminance": 0.04283
}

Semantic roles & 50–950 ramp

primary

#2A15B3

secondary

#BECE56

accent

#F532DC

background

#F8F5FC

surface

#F0E9F9

border

#CBC5D2

text

#0C0414

muted

#7D7982

Preview Lab

Preview with #2A15B3

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

Preview Lab → · Contrast checker → · Palette generator →