#3C31B9#3C31B9

#3C31B9 is a dark, highly saturated blue. Relative luminance 0.067; OKLCH L 42.5% C 0.203 H 277.0°. Best body text is #FFFFFF at 9.01:1 contrast (WCAG AA passes).

Color values

HEX	#3C31B9
RGB	rgb(60, 49, 185)
HSL	hsl(245, 58%, 46%)
HSV	hsv(245, 74%, 73%)
CMYK	cmyk(67.6%, 73.5%, 0%, 27.5%)
CIE-LAB	lab(31.02, 46.18, -69.61)
CIE-LCH	lch(31.02, 83.53, 303.56°)
OKLab	oklab(42.52% 0.0247 -0.2011)
OKLCH	oklch(42.52% 0.203 277)
XYZ	xyz(11.7159, 6.6590, 46.5574)
Luminance	0.0666 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Blue With A Hint Of Purple

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3C31B9 #AEB931

analogous

#316AB9 #3C31B9 #8031B9

triadic

#3C31B9 #B93C31 #31B93C

tetradic

#3C31B9 #B9316A #AEB931 #31B980

square

#3C31B9 #B9316A #AEB931 #31B980

split-complementary

#3C31B9 #B98031 #6AB931

monochromatic

#1D1758 #2C2489 #3C31B9 #5F55D2 #8D86DF

Accessibility & contrast

On white

9.01

#3C31B9 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.33

#3C31B9 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3C31B9

9.01:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3C31B9	#FFFFFF	#000000	##FFFFFF
##3C31B9	1.00	9.01	2.33	9.01
#FFFFFF	9.01	1.00	21.00	1.00
#000000	2.33	21.00	1.00	21.00
##FFFFFF	9.01	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#004FBD

Deuteranopia (green-blind)

#0043B7

Tritanopia (blue-blind)

#005872

Achromatopsia (no color)

#494949

Design tokens & code

CSS

--color: #3c31b9;
/* rgb */ color: rgb(60, 49, 185);
/* oklch */ color: oklch(42.5% 0.203 277.0);

Tailwind

colors: {
  custom: {
    50: '#836bcf',
    500: '#3c31b9',
    950: '#000000',
  },
}

SCSS

$custom: #3c31b9;
$custom-light: #836bcf;
$custom-dark: #000000;

JSON

{
  "hex": "#3c31b9",
  "rgb": {
    "r": 60,
    "g": 49,
    "b": 185
  },
  "hsl": {
    "h": 244.853,
    "s": 58.12,
    "l": 45.882
  },
  "oklch": {
    "l": 0.42524,
    "c": 0.20262,
    "h": 277
  },
  "luminance": 0.0666
}

Semantic roles & 50–950 ramp

primary

#3C31B9

secondary

#C2C87D

accent

#E146D5

background

#F8F6FC

surface

#F0EBF9

border

#CBC6D2

text

#0C0714

muted

#7D7A82

Preview Lab

Preview with #3C31B9

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

Preview Lab → · Contrast checker → · Palette generator →