#2F21B2#2F21B2

#2F21B2 is a dark, highly saturated blue. Relative luminance 0.049; OKLCH L 38.9% C 0.212 H 274.5°. Best body text is #FFFFFF at 10.60:1 contrast (WCAG AA passes).

Color values

HEX	#2F21B2
RGB	rgb(47, 33, 178)
HSL	hsl(246, 69%, 41%)
HSV	hsv(246, 81%, 70%)
CMYK	cmyk(73.6%, 81.5%, 0%, 30.2%)
CIE-LAB	lab(26.46, 51.02, -73.00)
CIE-LCH	lch(26.46, 89.06, 304.95°)
OKLab	oklab(38.87% 0.0167 -0.2111)
OKLCH	oklch(38.87% 0.212 274.5)
XYZ	xyz(9.7494, 4.9054, 42.5439)
Luminance	0.0491 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2F21B2 #A4B221

analogous

#215CB2 #2F21B2 #7821B2

triadic

#2F21B2 #B22F21 #21B22F

tetradic

#2F21B2 #B2215C #A4B221 #21B278

square

#2F21B2 #B2215C #A4B221 #21B278

split-complementary

#2F21B2 #B27821 #5CB221

monochromatic

#140E4B #21177E #2F21B2 #4636DA #766AE3

Accessibility & contrast

On white

10.60

#2F21B2 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.98

#2F21B2 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2F21B2

10.60:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2F21B2	#FFFFFF	#000000	##FFFFFF
##2F21B2	1.00	10.60	1.98	10.60
#FFFFFF	10.60	1.00	21.00	1.00
#000000	1.98	21.00	1.00	21.00
##FFFFFF	10.60	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0045B6

Deuteranopia (green-blind)

#0038B0

Tritanopia (blue-blind)

#004F6B

Achromatopsia (no color)

#3F3F3F

Design tokens & code

CSS

--color: #2f21b2;
/* rgb */ color: rgb(47, 33, 178);
/* oklch */ color: oklch(38.9% 0.212 274.5);

Tailwind

colors: {
  custom: {
    50: '#7d61ca',
    500: '#2f21b2',
    950: '#000000',
  },
}

SCSS

$custom: #2f21b2;
$custom-light: #7d61ca;
$custom-dark: #000000;

JSON

{
  "hex": "#2f21b2",
  "rgb": {
    "r": 47,
    "g": 33,
    "b": 178
  },
  "hsl": {
    "h": 245.793,
    "s": 68.72,
    "l": 41.373
  },
  "oklch": {
    "l": 0.38868,
    "c": 0.21176,
    "h": 274.5
  },
  "luminance": 0.04906
}

Semantic roles & 50–950 ramp

primary

#2F21B2

secondary

#C0C966

accent

#EC3CDB

background

#F8F5FC

surface

#F0EAF9

border

#CBC6D2

text

#0C0513

muted

#7D7982

Preview Lab

Preview with #2F21B2

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

Preview Lab → · Contrast checker → · Palette generator →