#3D43A5#3D43A5

#3D43A5 is a dark, vivid blue. Relative luminance 0.077; OKLCH L 43.7% C 0.155 H 275.3°. Best body text is #FFFFFF at 8.25:1 contrast (WCAG AA passes).

Color values

HEX	#3D43A5
RGB	rgb(61, 67, 165)
HSL	hsl(237, 46%, 44%)
HSV	hsv(237, 63%, 65%)
CMYK	cmyk(63%, 59.4%, 0%, 35.3%)
CIE-LAB	lab(33.40, 28.66, -53.79)
CIE-LCH	lch(33.40, 60.95, 298.05°)
OKLab	oklab(43.73% 0.0143 -0.1547)
OKLCH	oklch(43.73% 0.155 275.3)
XYZ	xyz(10.7209, 7.7222, 36.5156)
Luminance	0.0772 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3D43A5 #A59F3D

analogous

#3D77A5 #3D43A5 #6B3DA5

triadic

#3D43A5 #A53D43 #43A53D

tetradic

#3D43A5 #A53D77 #A59F3D #3DA56B

square

#3D43A5 #A53D77 #A59F3D #3DA56B

split-complementary

#3D43A5 #A56B3D #77A53D

monochromatic

#1C1F4C #2C3178 #3D43A5 #5C62C3 #898DD3

Accessibility & contrast

On white

8.25

#3D43A5 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.54

#3D43A5 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3D43A5

8.25:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3D43A5	#FFFFFF	#000000	##FFFFFF
##3D43A5	1.00	8.25	2.54	8.25
#FFFFFF	8.25	1.00	21.00	1.00
#000000	2.54	21.00	1.00	21.00
##FFFFFF	8.25	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0053A8

Deuteranopia (green-blind)

#004AA3

Tritanopia (blue-blind)

#005B6D

Achromatopsia (no color)

#4F4F4F

Design tokens & code

CSS

--color: #3d43a5;
/* rgb */ color: rgb(61, 67, 165);
/* oklch */ color: oklch(43.7% 0.155 275.3);

Tailwind

colors: {
  custom: {
    50: '#7e77c0',
    500: '#3d43a5',
    950: '#000000',
  },
}

SCSS

$custom: #3d43a5;
$custom-light: #7e77c0;
$custom-dark: #000000;

JSON

{
  "hex": "#3d43a5",
  "rgb": {
    "r": 61,
    "g": 67,
    "b": 165
  },
  "hsl": {
    "h": 236.538,
    "s": 46.018,
    "l": 44.314
  },
  "oklch": {
    "l": 0.43728,
    "c": 0.15534,
    "h": 275.3
  },
  "luminance": 0.07723
}

Semantic roles & 50–950 ramp

primary

#3D43A5

secondary

#BEBA80

accent

#CE52D6

background

#F8F7FB

surface

#EFEDF7

border

#CAC8D0

text

#0B0812

muted

#7C7B81

Preview Lab

Preview with #3D43A5

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

Preview Lab → · Contrast checker → · Palette generator →