#2B15B4#2B15B4

#2B15B4 is a dark, highly saturated blue. Relative luminance 0.043; OKLCH L 37.7% C 0.223 H 273.6°. Best body text is #FFFFFF at 11.24:1 contrast (WCAG AA passes).

Color values

HEX	#2B15B4
RGB	rgb(43, 21, 180)
HSL	hsl(248, 79%, 39%)
HSV	hsv(248, 88%, 71%)
CMYK	cmyk(76.1%, 88.3%, 0%, 29.4%)
CIE-LAB	lab(24.78, 56.27, -77.00)
CIE-LCH	lch(24.78, 95.37, 306.16°)
OKLab	oklab(37.71% 0.014 -0.2225)
OKLCH	oklch(37.71% 0.223 273.6)
XYZ	xyz(9.4999, 4.3442, 43.5090)
Luminance	0.0435 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2B15B4 #9EB415

analogous

#154FB4 #2B15B4 #7B15B4

triadic

#2B15B4 #B42B15 #15B42B

tetradic

#2B15B4 #B4154F #9EB415 #15B47B

square

#2B15B4 #B4154F #9EB415 #15B47B

split-complementary

#2B15B4 #B47B15 #4FB415

monochromatic

#110846 #1E0F7D #2B15B4 #3C21E5 #6C58EC

Accessibility & contrast

On white

11.24

#2B15B4 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.87

#2B15B4 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2B15B4

11.24:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2B15B4	#FFFFFF	#000000	##FFFFFF
##2B15B4	1.00	11.24	1.87	11.24
#FFFFFF	11.24	1.00	21.00	1.00
#000000	1.87	21.00	1.00	21.00
##FFFFFF	11.24	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: #2b15b4;
/* rgb */ color: rgb(43, 21, 180);
/* oklch */ color: oklch(37.7% 0.223 273.6);

Tailwind

colors: {
  custom: {
    50: '#7d5bcc',
    500: '#2b15b4',
    950: '#000000',
  },
}

SCSS

$custom: #2b15b4;
$custom-light: #7d5bcc;
$custom-dark: #000000;

JSON

{
  "hex": "#2b15b4",
  "rgb": {
    "r": 43,
    "g": 21,
    "b": 180
  },
  "hsl": {
    "h": 248.302,
    "s": 79.104,
    "l": 39.412
  },
  "oklch": {
    "l": 0.37709,
    "c": 0.22299,
    "h": 273.6
  },
  "luminance": 0.04345
}

Semantic roles & 50–950 ramp

primary

#2B15B4

secondary

#BECF56

accent

#F632DB

background

#F8F5FC

surface

#F0E9F9

border

#CBC5D2

text

#0C0414

muted

#7D7982

Preview Lab

Preview with #2B15B4

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

Preview Lab → · Contrast checker → · Palette generator →