#3D33B7#3D33B7

#3D33B7 is a dark, vivid blue. Relative luminance 0.068; OKLCH L 42.7% C 0.198 H 277.3°. Best body text is #FFFFFF at 8.91:1 contrast (WCAG AA passes).

Color values

HEX	#3D33B7
RGB	rgb(61, 51, 183)
HSL	hsl(245, 56%, 46%)
HSV	hsv(245, 72%, 72%)
CMYK	cmyk(66.7%, 72.1%, 0%, 28.2%)
CIE-LAB	lab(31.30, 44.53, -67.96)
CIE-LCH	lch(31.30, 81.25, 303.23°)
OKLab	oklab(42.68% 0.0251 -0.1963)
OKLCH	oklch(42.68% 0.198 277.3)
XYZ	xyz(11.6528, 6.7776, 45.4847)
Luminance	0.0678 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Sapphire (survey)

#2138AB

ΔE00 4.16

Blue With A Hint Of Purple

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3D33B7 #ADB733

analogous

#336BB7 #3D33B7 #7F33B7

triadic

#3D33B7 #B73D33 #33B73D

tetradic

#3D33B7 #B7336B #ADB733 #33B77F

square

#3D33B7 #B7336B #ADB733 #33B77F

split-complementary

#3D33B7 #B77F33 #6BB733

monochromatic

#1D1857 #2D2687 #3D33B7 #6057D0 #8D87DE

Accessibility & contrast

On white

8.91

#3D33B7 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.36

#3D33B7 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3D33B7

8.91:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3D33B7	#FFFFFF	#000000	##FFFFFF
##3D33B7	1.00	8.91	2.36	8.91
#FFFFFF	8.91	1.00	21.00	1.00
#000000	2.36	21.00	1.00	21.00
##FFFFFF	8.91	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#004FBB

Deuteranopia (green-blind)

#0044B5

Tritanopia (blue-blind)

#005872

Achromatopsia (no color)

#4A4A4A

Design tokens & code

CSS

--color: #3d33b7;
/* rgb */ color: rgb(61, 51, 183);
/* oklch */ color: oklch(42.7% 0.198 277.3);

Tailwind

colors: {
  custom: {
    50: '#836cce',
    500: '#3d33b7',
    950: '#000000',
  },
}

SCSS

$custom: #3d33b7;
$custom-light: #836cce;
$custom-dark: #000000;

JSON

{
  "hex": "#3d33b7",
  "rgb": {
    "r": 61,
    "g": 51,
    "b": 183
  },
  "hsl": {
    "h": 244.545,
    "s": 56.41,
    "l": 45.882
  },
  "oklch": {
    "l": 0.42681,
    "c": 0.19789,
    "h": 277.3
  },
  "luminance": 0.06779
}

Semantic roles & 50–950 ramp

primary

#3D33B7

secondary

#C2C77F

accent

#E048D4

background

#F8F6FC

surface

#F0EBF9

border

#CBC6D2

text

#0C0714

muted

#7D7A82

Preview Lab

Preview with #3D33B7

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

Preview Lab → · Contrast checker → · Palette generator →