#3D429A#3D429A

#3D429A is a dark, vivid blue. Relative luminance 0.072; OKLCH L 42.7% C 0.141 H 276.2°. Best body text is #FFFFFF at 8.59:1 contrast (WCAG AA passes).

Color values

HEX	#3D429A
RGB	rgb(61, 66, 154)
HSL	hsl(237, 43%, 42%)
HSV	hsv(237, 60%, 60%)
CMYK	cmyk(60.4%, 57.1%, 0%, 39.6%)
CIE-LAB	lab(32.30, 25.48, -48.92)
CIE-LCH	lch(32.30, 55.16, 297.51°)
OKLab	oklab(42.65% 0.0152 -0.1404)
OKLCH	oklch(42.65% 0.141 276.2)
XYZ	xyz(9.7035, 7.2209, 31.4480)
Luminance	0.0722 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3D429A #9A953D

analogous

#3D719A #3D429A #673D9A

triadic

#3D429A #9A3D42 #429A3D

tetradic

#3D429A #9A3D71 #9A953D #3D9A67

square

#3D429A #9A3D71 #9A953D #3D9A67

split-complementary

#3D429A #9A673D #719A3D

monochromatic

#1A1C42 #2C2F6E #3D429A #585DBD #8387CE

Accessibility & contrast

On white

8.59

#3D429A on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.44

#3D429A on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3D429A

8.59:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3D429A	#FFFFFF	#000000	##FFFFFF
##3D429A	1.00	8.59	2.44	8.59
#FFFFFF	8.59	1.00	21.00	1.00
#000000	2.44	21.00	1.00	21.00
##FFFFFF	8.59	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00509D

Deuteranopia (green-blind)

#004898

Tritanopia (blue-blind)

#005767

Achromatopsia (no color)

#4C4C4C

Design tokens & code

CSS

--color: #3d429a;
/* rgb */ color: rgb(61, 66, 154);
/* oklch */ color: oklch(42.7% 0.141 276.2);

Tailwind

colors: {
  custom: {
    50: '#7c76b8',
    500: '#3d429a',
    950: '#000000',
  },
}

SCSS

$custom: #3d429a;
$custom-light: #7c76b8;
$custom-dark: #000000;

JSON

{
  "hex": "#3d429a",
  "rgb": {
    "r": 61,
    "g": 66,
    "b": 154
  },
  "hsl": {
    "h": 236.774,
    "s": 43.256,
    "l": 42.157
  },
  "oklch": {
    "l": 0.42652,
    "c": 0.14119,
    "h": 276.2
  },
  "luminance": 0.07222
}

Semantic roles & 50–950 ramp

primary

#3D429A

secondary

#B8B57B

accent

#CC55D3

background

#F7F7FB

surface

#EEEDF6

border

#C9C8D0

text

#0A0811

muted

#7C7B80

Preview Lab

Preview with #3D429A

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

Preview Lab → · Contrast checker → · Palette generator →