#3D43B4#3D43B4

#3D43B4 is a dark, vivid blue. Relative luminance 0.083; OKLCH L 45.0% C 0.176 H 274.5°. Best body text is #FFFFFF at 7.89:1 contrast (WCAG AA passes).

Color values

HEX	#3D43B4
RGB	rgb(61, 67, 180)
HSL	hsl(237, 49%, 47%)
HSV	hsv(237, 66%, 71%)
CMYK	cmyk(66.1%, 62.8%, 0%, 29.4%)
CIE-LAB	lab(34.60, 33.88, -60.77)
CIE-LCH	lch(34.60, 69.58, 299.14°)
OKLab	oklab(44.99% 0.0138 -0.1752)
OKLCH	oklch(44.99% 0.176 274.5)
XYZ	xyz(12.1671, 8.3006, 44.1322)
Luminance	0.0830 (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

#3D43B4 #B4AE3D

analogous

#3D7EB4 #3D43B4 #733DB4

triadic

#3D43B4 #B43D43 #43B43D

tetradic

#3D43B4 #B43D7E #B4AE3D #3DB473

square

#3D43B4 #B43D7E #B4AE3D #3DB473

split-complementary

#3D43B4 #B4733D #7EB43D

monochromatic

#1E2159 #2E3286 #3D43B4 #6469CA #9295DA

Accessibility & contrast

On white

7.89

#3D43B4 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.66

#3D43B4 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3D43B4

7.89:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3D43B4	#FFFFFF	#000000	##FFFFFF
##3D43B4	1.00	7.89	2.66	7.89
#FFFFFF	7.89	1.00	21.00	1.00
#000000	2.66	21.00	1.00	21.00
##FFFFFF	7.89	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0057B8

Deuteranopia (green-blind)

#004CB2

Tritanopia (blue-blind)

#006075

Achromatopsia (no color)

#515151

Design tokens & code

CSS

--color: #3d43b4;
/* rgb */ color: rgb(61, 67, 180);
/* oklch */ color: oklch(45.0% 0.176 274.5);

Tailwind

colors: {
  custom: {
    50: '#8177cb',
    500: '#3d43b4',
    950: '#000000',
  },
}

SCSS

$custom: #3d43b4;
$custom-light: #8177cb;
$custom-dark: #000000;

JSON

{
  "hex": "#3d43b4",
  "rgb": {
    "r": 61,
    "g": 67,
    "b": 180
  },
  "hsl": {
    "h": 236.975,
    "s": 49.378,
    "l": 47.255
  },
  "oklch": {
    "l": 0.44992,
    "c": 0.17573,
    "h": 274.5
  },
  "luminance": 0.08302
}

Semantic roles & 50–950 ramp

primary

#3D43B4

secondary

#C5C288

accent

#D24FD9

background

#F8F7FC

surface

#F0EDF9

border

#CBC8D2

text

#0C0813

muted

#7D7B82

Preview Lab

Preview with #3D43B4

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

Preview Lab → · Contrast checker → · Palette generator →