#2F21BD#2F21BD

#2F21BD is a dark, highly saturated blue. Relative luminance 0.054; OKLCH L 40.1% C 0.224 H 273.5°. Best body text is #FFFFFF at 10.13:1 contrast (WCAG AA passes).

Color values

HEX	#2F21BD
RGB	rgb(47, 33, 189)
HSL	hsl(245, 70%, 44%)
HSV	hsv(245, 83%, 74%)
CMYK	cmyk(75.1%, 82.5%, 0%, 25.9%)
CIE-LAB	lab(27.75, 54.33, -77.41)
CIE-LCH	lch(27.75, 94.57, 305.06°)
OKLab	oklab(40.13% 0.0138 -0.2239)
OKLCH	oklch(40.13% 0.224 273.5)
XYZ	xyz(10.8984, 5.3650, 48.5954)
Luminance	0.0537 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2F21BD #AFBD21

analogous

#2161BD #2F21BD #7D21BD

triadic

#2F21BD #BD2F21 #21BD2F

tetradic

#2F21BD #BD2161 #AFBD21 #21BD7D

square

#2F21BD #BD2161 #AFBD21 #21BD7D

split-complementary

#2F21BD #BD7D21 #61BD21

monochromatic

#150F55 #221889 #2F21BD #4C3EDD #7C72E6

Accessibility & contrast

On white

10.13

#2F21BD on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.07

#2F21BD on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2F21BD

10.13:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2F21BD	#FFFFFF	#000000	##FFFFFF
##2F21BD	1.00	10.13	2.07	10.13
#FFFFFF	10.13	1.00	21.00	1.00
#000000	2.07	21.00	1.00	21.00
##FFFFFF	10.13	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0048C1

Deuteranopia (green-blind)

#003ABA

Tritanopia (blue-blind)

#005371

Achromatopsia (no color)

#414141

Design tokens & code

CSS

--color: #2f21bd;
/* rgb */ color: rgb(47, 33, 189);
/* oklch */ color: oklch(40.1% 0.224 273.5);

Tailwind

colors: {
  custom: {
    50: '#8062d2',
    500: '#2f21bd',
    950: '#000000',
  },
}

SCSS

$custom: #2f21bd;
$custom-light: #8062d2;
$custom-dark: #000000;

JSON

{
  "hex": "#2f21bd",
  "rgb": {
    "r": 47,
    "g": 33,
    "b": 189
  },
  "hsl": {
    "h": 245.385,
    "s": 70.27,
    "l": 43.529
  },
  "oklch": {
    "l": 0.4013,
    "c": 0.22431,
    "h": 273.5
  },
  "luminance": 0.05366
}

Semantic roles & 50–950 ramp

primary

#2F21BD

secondary

#C4CD6D

accent

#ED3BDD

background

#F8F6FD

surface

#F0EBFA

border

#CBC6D3

text

#0C0514

muted

#7D7A83

Preview Lab

Preview with #2F21BD

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

Preview Lab → · Contrast checker → · Palette generator →