#2F1DBB#2F1DBB

#2F1DBB is a dark, highly saturated blue. Relative luminance 0.051; OKLCH L 39.5% C 0.225 H 273.9°. Best body text is #FFFFFF at 10.43:1 contrast (WCAG AA passes).

Color values

HEX	#2F1DBB
RGB	rgb(47, 29, 187)
HSL	hsl(247, 73%, 42%)
HSV	hsv(247, 84%, 73%)
CMYK	cmyk(74.9%, 84.5%, 0%, 26.7%)
CIE-LAB	lab(26.93, 55.45, -77.58)
CIE-LCH	lch(26.93, 95.36, 305.56°)
OKLab	oklab(39.5% 0.0154 -0.2243)
OKLCH	oklch(39.5% 0.225 273.9)
XYZ	xyz(10.5783, 5.0698, 47.4251)
Luminance	0.0507 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2F1DBB #A9BB1D

analogous

#1D5ABB #2F1DBB #7E1DBB

triadic

#2F1DBB #BB2F1D #1DBB2F

tetradic

#2F1DBB #BB1D5A #A9BB1D #1DBB7E

square

#2F1DBB #BB1D5A #A9BB1D #1DBB7E

split-complementary

#2F1DBB #BB7E1D #5ABB1D

monochromatic

#140D51 #221586 #2F1DBB #4935E0 #796AE8

Accessibility & contrast

On white

10.43

#2F1DBB on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.01

#2F1DBB on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2F1DBB

10.43:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2F1DBB	#FFFFFF	#000000	##FFFFFF
##2F1DBB	1.00	10.43	2.01	10.43
#FFFFFF	10.43	1.00	21.00	1.00
#000000	2.01	21.00	1.00	21.00
##FFFFFF	10.43	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0047BF

Deuteranopia (green-blind)

#0038B8

Tritanopia (blue-blind)

#00516F

Achromatopsia (no color)

#404040

Design tokens & code

CSS

--color: #2f1dbb;
/* rgb */ color: rgb(47, 29, 187);
/* oklch */ color: oklch(39.5% 0.225 273.9);

Tailwind

colors: {
  custom: {
    50: '#8060d1',
    500: '#2f1dbb',
    950: '#000000',
  },
}

SCSS

$custom: #2f1dbb;
$custom-light: #8060d1;
$custom-dark: #000000;

JSON

{
  "hex": "#2f1dbb",
  "rgb": {
    "r": 47,
    "g": 29,
    "b": 187
  },
  "hsl": {
    "h": 246.835,
    "s": 73.148,
    "l": 42.353
  },
  "oklch": {
    "l": 0.39498,
    "c": 0.22484,
    "h": 273.9
  },
  "luminance": 0.05071
}

Semantic roles & 50–950 ramp

primary

#2F1DBB

secondary

#C2CE66

accent

#F038DB

background

#F8F5FD

surface

#F0EAFA

border

#CBC6D3

text

#0C0514

muted

#7D7983

Preview Lab

Preview with #2F1DBB

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

Preview Lab → · Contrast checker → · Palette generator →