#3D43B7#3D43B7

#3D43B7 is a mid, vivid blue. Relative luminance 0.084; OKLCH L 45.3% C 0.180 H 274.4°. Best body text is #FFFFFF at 7.82:1 contrast (WCAG AA passes).

Color values

HEX	#3D43B7
RGB	rgb(61, 67, 183)
HSL	hsl(237, 50%, 48%)
HSV	hsv(237, 67%, 72%)
CMYK	cmyk(66.7%, 63.4%, 0%, 28.2%)
CIE-LAB	lab(34.85, 34.92, -62.13)
CIE-LCH	lch(34.85, 71.27, 299.34°)
OKLab	oklab(45.25% 0.0137 -0.1792)
OKLCH	oklch(45.25% 0.18 274.4)
XYZ	xyz(12.4760, 8.4242, 45.7591)
Luminance	0.0843 (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

#3D43B7 #B7B13D

analogous

#3D80B7 #3D43B7 #743DB7

triadic

#3D43B7 #B73D43 #43B73D

tetradic

#3D43B7 #B73D80 #B7B13D #3DB774

square

#3D43B7 #B73D80 #B7B13D #3DB774

split-complementary

#3D43B7 #B7743D #80B73D

monochromatic

#1E215B #2E3289 #3D43B7 #656ACC #9397DB

Accessibility & contrast

On white

7.82

#3D43B7 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.69

#3D43B7 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3D43B7

7.82:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3D43B7	#FFFFFF	#000000	##FFFFFF
##3D43B7	1.00	7.82	2.69	7.82
#FFFFFF	7.82	1.00	21.00	1.00
#000000	2.69	21.00	1.00	21.00
##FFFFFF	7.82	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0058BB

Deuteranopia (green-blind)

#004DB5

Tritanopia (blue-blind)

#006177

Achromatopsia (no color)

#525252

Design tokens & code

CSS

--color: #3d43b7;
/* rgb */ color: rgb(61, 67, 183);
/* oklch */ color: oklch(45.3% 0.180 274.4);

Tailwind

colors: {
  custom: {
    50: '#8177ce',
    500: '#3d43b7',
    950: '#000000',
  },
}

SCSS

$custom: #3d43b7;
$custom-light: #8177ce;
$custom-dark: #000000;

JSON

{
  "hex": "#3d43b7",
  "rgb": {
    "r": 61,
    "g": 67,
    "b": 183
  },
  "hsl": {
    "h": 237.049,
    "s": 50,
    "l": 47.843
  },
  "oklch": {
    "l": 0.45253,
    "c": 0.17972,
    "h": 274.4
  },
  "luminance": 0.08425
}

Semantic roles & 50–950 ramp

primary

#3D43B7

secondary

#C6C389

accent

#D34EDA

background

#F8F7FC

surface

#F0EDF9

border

#CBC8D2

text

#0C0814

muted

#7D7B82

Preview Lab

Preview with #3D43B7

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

Preview Lab → · Contrast checker → · Palette generator →