#3021B2#3021B2

#3021B2 is a dark, highly saturated blue. Relative luminance 0.049; OKLCH L 38.9% C 0.212 H 274.9°. Best body text is #FFFFFF at 10.57:1 contrast (WCAG AA passes).

Color values

HEX	#3021B2
RGB	rgb(48, 33, 178)
HSL	hsl(246, 69%, 41%)
HSV	hsv(246, 81%, 70%)
CMYK	cmyk(73%, 81.5%, 0%, 30.2%)
CIE-LAB	lab(26.53, 51.09, -72.88)
CIE-LCH	lch(26.53, 89.01, 305.03°)
OKLab	oklab(38.93% 0.018 -0.2107)
OKLCH	oklch(38.93% 0.212 274.9)
XYZ	xyz(9.7960, 4.9295, 42.5461)
Luminance	0.0493 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3021B2 #A3B221

analogous

#215BB2 #3021B2 #7921B2

triadic

#3021B2 #B23021 #21B230

tetradic

#3021B2 #B2215B #A3B221 #21B279

square

#3021B2 #B2215B #A3B221 #21B279

split-complementary

#3021B2 #B27921 #5BB221

monochromatic

#140E4B #22177E #3021B2 #4736DA #776AE3

Accessibility & contrast

On white

10.57

#3021B2 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.99

#3021B2 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3021B2

10.57:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3021B2	#FFFFFF	#000000	##FFFFFF
##3021B2	1.00	10.57	1.99	10.57
#FFFFFF	10.57	1.00	21.00	1.00
#000000	1.99	21.00	1.00	21.00
##FFFFFF	10.57	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: #3021b2;
/* rgb */ color: rgb(48, 33, 178);
/* oklch */ color: oklch(38.9% 0.212 274.9);

Tailwind

colors: {
  custom: {
    50: '#7e61ca',
    500: '#3021b2',
    950: '#000000',
  },
}

SCSS

$custom: #3021b2;
$custom-light: #7e61ca;
$custom-dark: #000000;

JSON

{
  "hex": "#3021b2",
  "rgb": {
    "r": 48,
    "g": 33,
    "b": 178
  },
  "hsl": {
    "h": 246.207,
    "s": 68.72,
    "l": 41.373
  },
  "oklch": {
    "l": 0.38934,
    "c": 0.21151,
    "h": 274.9
  },
  "luminance": 0.0493
}

Semantic roles & 50–950 ramp

primary

#3021B2

secondary

#BFC966

accent

#EC3CD9

background

#F8F5FC

surface

#F0EAF9

border

#CBC6D2

text

#0C0513

muted

#7D7982

Preview Lab

Preview with #3021B2

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

Preview Lab → · Contrast checker → · Palette generator →