#3D31B8#3D31B8

#3D31B8 is a dark, highly saturated blue. Relative luminance 0.066; OKLCH L 42.5% C 0.201 H 277.5°. Best body text is #FFFFFF at 9.01:1 contrast (WCAG AA passes).

Color values

HEX	#3D31B8
RGB	rgb(61, 49, 184)
HSL	hsl(245, 58%, 46%)
HSV	hsv(245, 73%, 72%)
CMYK	cmyk(66.8%, 73.4%, 0%, 27.8%)
CIE-LAB	lab(30.99, 45.97, -69.06)
CIE-LCH	lch(30.99, 82.96, 303.65°)
OKLab	oklab(42.5% 0.0262 -0.1995)
OKLCH	oklch(42.5% 0.201 277.5)
XYZ	xyz(11.6717, 6.6484, 46.0063)
Luminance	0.0665 (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

#3D31B8 #ACB831

analogous

#3169B8 #3D31B8 #8031B8

triadic

#3D31B8 #B83D31 #31B83D

tetradic

#3D31B8 #B83169 #ACB831 #31B880

square

#3D31B8 #B83169 #ACB831 #31B880

split-complementary

#3D31B8 #B88031 #69B831

monochromatic

#1D1757 #2D2488 #3D31B8 #6055D2 #8D85DE

Accessibility & contrast

On white

9.01

#3D31B8 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.33

#3D31B8 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3D31B8

9.01:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3D31B8	#FFFFFF	#000000	##FFFFFF
##3D31B8	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)

#004EBC

Deuteranopia (green-blind)

#0043B6

Tritanopia (blue-blind)

#005772

Achromatopsia (no color)

#494949

Design tokens & code

CSS

--color: #3d31b8;
/* rgb */ color: rgb(61, 49, 184);
/* oklch */ color: oklch(42.5% 0.201 277.5);

Tailwind

colors: {
  custom: {
    50: '#836bcf',
    500: '#3d31b8',
    950: '#000000',
  },
}

SCSS

$custom: #3d31b8;
$custom-light: #836bcf;
$custom-dark: #000000;

JSON

{
  "hex": "#3d31b8",
  "rgb": {
    "r": 61,
    "g": 49,
    "b": 184
  },
  "hsl": {
    "h": 245.333,
    "s": 57.94,
    "l": 45.686
  },
  "oklch": {
    "l": 0.42496,
    "c": 0.20117,
    "h": 277.5
  },
  "luminance": 0.06649
}

Semantic roles & 50–950 ramp

primary

#3D31B8

secondary

#C1C87D

accent

#E147D3

background

#F8F6FC

surface

#F0EBF9

border

#CBC6D2

text

#0C0714

muted

#7D7A82

Preview Lab

Preview with #3D31B8

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

Preview Lab → · Contrast checker → · Palette generator →