#3021B3#3021B3

#3021B3 is a dark, highly saturated blue. Relative luminance 0.050; OKLCH L 39.0% C 0.213 H 274.8°. Best body text is #FFFFFF at 10.53:1 contrast (WCAG AA passes).

Color values

HEX	#3021B3
RGB	rgb(48, 33, 179)
HSL	hsl(246, 69%, 42%)
HSV	hsv(246, 82%, 70%)
CMYK	cmyk(73.2%, 81.6%, 0%, 29.8%)
CIE-LAB	lab(26.65, 51.40, -73.29)
CIE-LCH	lch(26.65, 89.52, 305.04°)
OKLab	oklab(39.05% 0.0178 -0.2119)
OKLCH	oklch(39.05% 0.213 274.8)
XYZ	xyz(9.8968, 4.9698, 43.0768)
Luminance	0.0497 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3021B3 #A4B321

analogous

#215BB3 #3021B3 #7921B3

triadic

#3021B3 #B33021 #21B330

tetradic

#3021B3 #B3215B #A4B321 #21B379

square

#3021B3 #B3215B #A4B321 #21B379

split-complementary

#3021B3 #B37921 #5BB321

monochromatic

#140E4C #22177F #3021B3 #4837DA #776BE4

Accessibility & contrast

On white

10.53

#3021B3 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.99

#3021B3 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3021B3

10.53:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3021B3	#FFFFFF	#000000	##FFFFFF
##3021B3	1.00	10.53	1.99	10.53
#FFFFFF	10.53	1.00	21.00	1.00
#000000	1.99	21.00	1.00	21.00
##FFFFFF	10.53	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0045B7

Deuteranopia (green-blind)

#0038B1

Tritanopia (blue-blind)

#004F6B

Achromatopsia (no color)

#3F3F3F

Design tokens & code

CSS

--color: #3021b3;
/* rgb */ color: rgb(48, 33, 179);
/* oklch */ color: oklch(39.0% 0.213 274.8);

Tailwind

colors: {
  custom: {
    50: '#7e61cb',
    500: '#3021b3',
    950: '#000000',
  },
}

SCSS

$custom: #3021b3;
$custom-light: #7e61cb;
$custom-dark: #000000;

JSON

{
  "hex": "#3021b3",
  "rgb": {
    "r": 48,
    "g": 33,
    "b": 179
  },
  "hsl": {
    "h": 246.164,
    "s": 68.868,
    "l": 41.569
  },
  "oklch": {
    "l": 0.39047,
    "c": 0.21266,
    "h": 274.8
  },
  "luminance": 0.04971
}

Semantic roles & 50–950 ramp

primary

#3021B3

secondary

#BFCA66

accent

#EC3CDA

background

#F8F5FC

surface

#F0EAF9

border

#CBC6D2

text

#0C0513

muted

#7D7982

Preview Lab

Preview with #3021B3

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

Preview Lab → · Contrast checker → · Palette generator →