#2A15B4#2A15B4

#2A15B4 is a dark, highly saturated blue. Relative luminance 0.043; OKLCH L 37.6% C 0.223 H 273.2°. Best body text is #FFFFFF at 11.26:1 contrast (WCAG AA passes).

Color values

HEX	#2A15B4
RGB	rgb(42, 21, 180)
HSL	hsl(248, 79%, 39%)
HSV	hsv(248, 88%, 71%)
CMYK	cmyk(76.7%, 88.3%, 0%, 29.4%)
CIE-LAB	lab(24.71, 56.22, -77.12)
CIE-LCH	lch(24.71, 95.44, 306.09°)
OKLab	oklab(37.65% 0.0126 -0.2229)
OKLCH	oklch(37.65% 0.223 273.2)
XYZ	xyz(9.4585, 4.3229, 43.5071)
Luminance	0.0432 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2A15B4 #9FB415

analogous

#154FB4 #2A15B4 #7A15B4

triadic

#2A15B4 #B42A15 #15B42A

tetradic

#2A15B4 #B4154F #9FB415 #15B47A

square

#2A15B4 #B4154F #9FB415 #15B47A

split-complementary

#2A15B4 #B47A15 #4FB415

monochromatic

#100846 #1D0F7D #2A15B4 #3B21E5 #6B58EC

Accessibility & contrast

On white

11.26

#2A15B4 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.86

#2A15B4 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2A15B4

11.26:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2A15B4	#FFFFFF	#000000	##FFFFFF
##2A15B4	1.00	11.26	1.86	11.26
#FFFFFF	11.26	1.00	21.00	1.00
#000000	1.86	21.00	1.00	21.00
##FFFFFF	11.26	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0042B8

Deuteranopia (green-blind)

#0033B1

Tritanopia (blue-blind)

#004C6A

Achromatopsia (no color)

#3B3B3B

Design tokens & code

CSS

--color: #2a15b4;
/* rgb */ color: rgb(42, 21, 180);
/* oklch */ color: oklch(37.6% 0.223 273.2);

Tailwind

colors: {
  custom: {
    50: '#7d5bcc',
    500: '#2a15b4',
    950: '#000000',
  },
}

SCSS

$custom: #2a15b4;
$custom-light: #7d5bcc;
$custom-dark: #000000;

JSON

{
  "hex": "#2a15b4",
  "rgb": {
    "r": 42,
    "g": 21,
    "b": 180
  },
  "hsl": {
    "h": 247.925,
    "s": 79.104,
    "l": 39.412
  },
  "oklch": {
    "l": 0.37646,
    "c": 0.22325,
    "h": 273.2
  },
  "luminance": 0.04324
}

Semantic roles & 50–950 ramp

primary

#2A15B4

secondary

#BFCF56

accent

#F632DC

background

#F8F5FC

surface

#F0E9F9

border

#CBC5D2

text

#0C0414

muted

#7D7982

Preview Lab

Preview with #2A15B4

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

Preview Lab → · Contrast checker → · Palette generator →