#2B1F79#2B1F79

#2B1F79 is a dark, vivid blue. Relative luminance 0.029; OKLCH L 32.1% C 0.145 H 280.5°. Best body text is #FFFFFF at 13.34:1 contrast (WCAG AA passes).

Color values

HEX	#2B1F79
RGB	rgb(43, 31, 121)
HSL	hsl(248, 59%, 30%)
HSV	hsv(248, 74%, 47%)
CMYK	cmyk(64.5%, 74.4%, 0%, 52.5%)
CIE-LAB	lab(19.53, 33.40, -49.27)
CIE-LCH	lch(19.53, 59.53, 304.13°)
OKLab	oklab(32.07% 0.0264 -0.1421)
OKLCH	oklch(32.07% 0.145 280.5)
XYZ	xyz(4.9363, 2.8737, 18.3800)
Luminance	0.0287 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2B1F79 #6D791F

analogous

#1F4079 #2B1F79 #581F79

triadic

#2B1F79 #792B1F #1F792B

tetradic

#2B1F79 #791F40 #6D791F #1F7958

square

#2B1F79 #791F40 #6D791F #1F7958

split-complementary

#2B1F79 #79581F #40791F

monochromatic

#090618 #1A1348 #2B1F79 #3C2BAA #5643CF

Accessibility & contrast

On white

13.34

#2B1F79 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.57

#2B1F79 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2B1F79

13.34:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2B1F79	#FFFFFF	#000000	##FFFFFF
##2B1F79	1.00	13.34	1.57	13.34
#FFFFFF	13.34	1.00	21.00	1.00
#000000	1.57	21.00	1.00	21.00
##FFFFFF	13.34	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00337C

Deuteranopia (green-blind)

#002C77

Tritanopia (blue-blind)

#00384A

Achromatopsia (no color)

#2F2F2F

Design tokens & code

CSS

--color: #2b1f79;
/* rgb */ color: rgb(43, 31, 121);
/* oklch */ color: oklch(32.1% 0.145 280.5);

Tailwind

colors: {
  custom: {
    50: '#6f5ca1',
    500: '#2b1f79',
    950: '#000000',
  },
}

SCSS

$custom: #2b1f79;
$custom-light: #6f5ca1;
$custom-dark: #000000;

JSON

{
  "hex": "#2b1f79",
  "rgb": {
    "r": 43,
    "g": 31,
    "b": 121
  },
  "hsl": {
    "h": 248,
    "s": 59.211,
    "l": 29.804
  },
  "oklch": {
    "l": 0.32075,
    "c": 0.14452,
    "h": 280.5
  },
  "luminance": 0.02874
}

Semantic roles & 50–950 ramp

primary

#2B1F79

secondary

#9FAC47

accent

#E245CD

background

#F7F5FA

surface

#EDE9F3

border

#C8C5CD

text

#08040F

muted

#7B797F

Preview Lab

Preview with #2B1F79

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

Preview Lab → · Contrast checker → · Palette generator →