#3D43BC#3D43BC

#3D43BC is a mid, vivid blue. Relative luminance 0.086; OKLCH L 45.7% C 0.186 H 274.1°. Best body text is #FFFFFF at 7.70:1 contrast (WCAG AA passes).

Color values

HEX	#3D43BC
RGB	rgb(61, 67, 188)
HSL	hsl(237, 51%, 49%)
HSV	hsv(237, 68%, 74%)
CMYK	cmyk(67.6%, 64.4%, 0%, 26.3%)
CIE-LAB	lab(35.27, 36.64, -64.39)
CIE-LCH	lch(35.27, 74.09, 299.64°)
OKLab	oklab(45.69% 0.0133 -0.1858)
OKLCH	oklch(45.69% 0.186 274.1)
XYZ	xyz(13.0057, 8.6361, 48.5487)
Luminance	0.0864 (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

#3D43BC #BCB63D

analogous

#3D83BC #3D43BC #773DBC

triadic

#3D43BC #BC3D43 #43BC3D

tetradic

#3D43BC #BC3D83 #BCB63D #3DBC77

square

#3D43BC #BC3D83 #BCB63D #3DBC77

split-complementary

#3D43BC #BC773D #83BC3D

monochromatic

#1F2260 #2E338E #3D43BC #686DCE #969ADD

Accessibility & contrast

On white

7.70

#3D43BC on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.73

#3D43BC on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3D43BC

7.70:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3D43BC	#FFFFFF	#000000	##FFFFFF
##3D43BC	1.00	7.70	2.73	7.70
#FFFFFF	7.70	1.00	21.00	1.00
#000000	2.73	21.00	1.00	21.00
##FFFFFF	7.70	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0059C0

Deuteranopia (green-blind)

#004DBA

Tritanopia (blue-blind)

#006279

Achromatopsia (no color)

#535353

Design tokens & code

CSS

--color: #3d43bc;
/* rgb */ color: rgb(61, 67, 188);
/* oklch */ color: oklch(45.7% 0.186 274.1);

Tailwind

colors: {
  custom: {
    50: '#8277d1',
    500: '#3d43bc',
    950: '#000000',
  },
}

SCSS

$custom: #3d43bc;
$custom-light: #8277d1;
$custom-dark: #000000;

JSON

{
  "hex": "#3d43bc",
  "rgb": {
    "r": 61,
    "g": 67,
    "b": 188
  },
  "hsl": {
    "h": 237.165,
    "s": 51.004,
    "l": 48.824
  },
  "oklch": {
    "l": 0.45693,
    "c": 0.18629,
    "h": 274.1
  },
  "luminance": 0.08637
}

Semantic roles & 50–950 ramp

primary

#3D43BC

secondary

#C9C68C

accent

#D44DDA

background

#F8F7FD

surface

#F0EDFA

border

#CBC8D3

text

#0C0814

muted

#7D7B83

Preview Lab

Preview with #3D43BC

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

Preview Lab → · Contrast checker → · Palette generator →