#2F21AA#2F21AA

#2F21AA is a dark, highly saturated blue. Relative luminance 0.046; OKLCH L 38.0% C 0.202 H 275.3°. Best body text is #FFFFFF at 10.94:1 contrast (WCAG AA passes).

Color values

HEX	#2F21AA
RGB	rgb(47, 33, 170)
HSL	hsl(246, 67%, 40%)
HSV	hsv(246, 81%, 67%)
CMYK	cmyk(72.4%, 80.6%, 0%, 33.3%)
CIE-LAB	lab(25.54, 48.57, -69.72)
CIE-LCH	lch(25.54, 84.97, 304.86°)
OKLab	oklab(37.96% 0.0188 -0.2016)
OKLCH	oklch(37.96% 0.202 275.3)
XYZ	xyz(8.9695, 4.5935, 38.4363)
Luminance	0.0459 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2F21AA #9CAA21

analogous

#2158AA #2F21AA #7321AA

triadic

#2F21AA #AA2F21 #21AA2F

tetradic

#2F21AA #AA2158 #9CAA21 #21AA73

square

#2F21AA #AA2158 #9CAA21 #21AA73

split-complementary

#2F21AA #AA7321 #58AA21

monochromatic

#130D43 #211777 #2F21AA #4231D7 #7164E1

Accessibility & contrast

On white

10.94

#2F21AA on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.92

#2F21AA on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2F21AA

10.94:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2F21AA	#FFFFFF	#000000	##FFFFFF
##2F21AA	1.00	10.94	1.92	10.94
#FFFFFF	10.94	1.00	21.00	1.00
#000000	1.92	21.00	1.00	21.00
##FFFFFF	10.94	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0042AE

Deuteranopia (green-blind)

#0036A8

Tritanopia (blue-blind)

#004B66

Achromatopsia (no color)

#3D3D3D

Design tokens & code

CSS

--color: #2f21aa;
/* rgb */ color: rgb(47, 33, 170);
/* oklch */ color: oklch(38.0% 0.202 275.3);

Tailwind

colors: {
  custom: {
    50: '#7c60c5',
    500: '#2f21aa',
    950: '#000000',
  },
}

SCSS

$custom: #2f21aa;
$custom-light: #7c60c5;
$custom-dark: #000000;

JSON

{
  "hex": "#2f21aa",
  "rgb": {
    "r": 47,
    "g": 33,
    "b": 170
  },
  "hsl": {
    "h": 246.131,
    "s": 67.488,
    "l": 39.804
  },
  "oklch": {
    "l": 0.37961,
    "c": 0.20247,
    "h": 275.3
  },
  "luminance": 0.04594
}

Semantic roles & 50–950 ramp

primary

#2F21AA

secondary

#BCC661

accent

#EA3DD9

background

#F8F5FC

surface

#EFEAF8

border

#CAC6D1

text

#0B0513

muted

#7C7982

Preview Lab

Preview with #2F21AA

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

Preview Lab → · Contrast checker → · Palette generator →