#2D21B2#2D21B2

#2D21B2 is a dark, highly saturated blue. Relative luminance 0.049; OKLCH L 38.7% C 0.212 H 273.8°. Best body text is #FFFFFF at 10.65:1 contrast (WCAG AA passes).

Color values

HEX	#2D21B2
RGB	rgb(45, 33, 178)
HSL	hsl(245, 69%, 41%)
HSV	hsv(245, 81%, 70%)
CMYK	cmyk(74.7%, 81.5%, 0%, 30.2%)
CIE-LAB	lab(26.33, 50.88, -73.23)
CIE-LCH	lch(26.33, 89.17, 304.79°)
OKLab	oklab(38.74% 0.0141 -0.2118)
OKLCH	oklch(38.74% 0.212 273.8)
XYZ	xyz(9.6593, 4.8590, 42.5397)
Luminance	0.0486 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2D21B2 #A6B221

analogous

#215DB2 #2D21B2 #7621B2

triadic

#2D21B2 #B22D21 #21B22D

tetradic

#2D21B2 #B2215D #A6B221 #21B276

square

#2D21B2 #B2215D #A6B221 #21B276

split-complementary

#2D21B2 #B27621 #5DB221

monochromatic

#130E4B #20177E #2D21B2 #4436DA #746AE3

Accessibility & contrast

On white

10.65

#2D21B2 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.97

#2D21B2 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2D21B2

10.65:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2D21B2	#FFFFFF	#000000	##FFFFFF
##2D21B2	1.00	10.65	1.97	10.65
#FFFFFF	10.65	1.00	21.00	1.00
#000000	1.97	21.00	1.00	21.00
##FFFFFF	10.65	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0045B6

Deuteranopia (green-blind)

#0037B0

Tritanopia (blue-blind)

#004F6B

Achromatopsia (no color)

#3E3E3E

Design tokens & code

CSS

--color: #2d21b2;
/* rgb */ color: rgb(45, 33, 178);
/* oklch */ color: oklch(38.7% 0.212 273.8);

Tailwind

colors: {
  custom: {
    50: '#7d61ca',
    500: '#2d21b2',
    950: '#000000',
  },
}

SCSS

$custom: #2d21b2;
$custom-light: #7d61ca;
$custom-dark: #000000;

JSON

{
  "hex": "#2d21b2",
  "rgb": {
    "r": 45,
    "g": 33,
    "b": 178
  },
  "hsl": {
    "h": 244.966,
    "s": 68.72,
    "l": 41.373
  },
  "oklch": {
    "l": 0.38739,
    "c": 0.21227,
    "h": 273.8
  },
  "luminance": 0.0486
}

Semantic roles & 50–950 ramp

primary

#2D21B2

secondary

#C1C966

accent

#EC3CDD

background

#F8F5FC

surface

#F0EAF9

border

#CBC6D2

text

#0C0513

muted

#7D7982

Preview Lab

Preview with #2D21B2

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

Preview Lab → · Contrast checker → · Palette generator →