#3121C1#3121C1

#3121C1 is a dark, highly saturated blue. Relative luminance 0.056; OKLCH L 40.7% C 0.228 H 273.8°. Best body text is #FFFFFF at 9.91:1 contrast (WCAG AA passes).

Color values

HEX	#3121C1
RGB	rgb(49, 33, 193)
HSL	hsl(246, 71%, 44%)
HSV	hsv(246, 83%, 76%)
CMYK	cmyk(74.6%, 82.9%, 0%, 24.3%)
CIE-LAB	lab(28.35, 55.64, -78.77)
CIE-LCH	lch(28.35, 96.44, 305.24°)
OKLab	oklab(40.72% 0.0153 -0.2278)
OKLCH	oklch(40.72% 0.228 273.8)
XYZ	xyz(11.4329, 5.5898, 50.9181)
Luminance	0.0559 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3121C1 #B1C121

analogous

#2161C1 #3121C1 #8121C1

triadic

#3121C1 #C13121 #21C131

tetradic

#3121C1 #C12161 #B1C121 #21C181

square

#3121C1 #C12161 #B1C121 #21C181

split-complementary

#3121C1 #C18121 #61C121

monochromatic

#160F58 #24188D #3121C1 #5141DE #8075E7

Accessibility & contrast

On white

9.91

#3121C1 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.12

#3121C1 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3121C1

9.91:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3121C1	#FFFFFF	#000000	##FFFFFF
##3121C1	1.00	9.91	2.12	9.91
#FFFFFF	9.91	1.00	21.00	1.00
#000000	2.12	21.00	1.00	21.00
##FFFFFF	9.91	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#004AC5

Deuteranopia (green-blind)

#003BBE

Tritanopia (blue-blind)

#005573

Achromatopsia (no color)

#434343

Design tokens & code

CSS

--color: #3121c1;
/* rgb */ color: rgb(49, 33, 193);
/* oklch */ color: oklch(40.7% 0.228 273.8);

Tailwind

colors: {
  custom: {
    50: '#8262d5',
    500: '#3121c1',
    950: '#000000',
  },
}

SCSS

$custom: #3121c1;
$custom-light: #8262d5;
$custom-dark: #000000;

JSON

{
  "hex": "#3121c1",
  "rgb": {
    "r": 49,
    "g": 33,
    "b": 193
  },
  "hsl": {
    "h": 246,
    "s": 70.796,
    "l": 44.314
  },
  "oklch": {
    "l": 0.40715,
    "c": 0.22829,
    "h": 273.8
  },
  "luminance": 0.05591
}

Semantic roles & 50–950 ramp

primary

#3121C1

secondary

#C5CF6F

accent

#EE3ADC

background

#F8F6FD

surface

#F0EBFA

border

#CBC6D3

text

#0C0514

muted

#7D7A83

Preview Lab

Preview with #3121C1

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

Preview Lab → · Contrast checker → · Palette generator →