#3D438D#3D438D

#3D438D is a dark, vivid blue. Relative luminance 0.069; OKLCH L 41.9% C 0.121 H 276.4°. Best body text is #FFFFFF at 8.80:1 contrast (WCAG AA passes).

Color values

HEX	#3D438D
RGB	rgb(61, 67, 141)
HSL	hsl(236, 40%, 40%)
HSV	hsv(236, 57%, 55%)
CMYK	cmyk(56.7%, 52.5%, 0%, 44.7%)
CIE-LAB	lab(31.64, 20.30, -42.05)
CIE-LCH	lch(31.64, 46.69, 295.77°)
OKLab	oklab(41.86% 0.0134 -0.1201)
OKLCH	oklch(41.86% 0.121 276.4)
XYZ	xyz(8.7378, 6.9289, 26.0711)
Luminance	0.0693 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3D438D #8D873D

analogous

#3D6B8D #3D438D #5F3D8D

triadic

#3D438D #8D3D43 #438D3D

tetradic

#3D438D #8D3D6B #8D873D #3D8D5F

square

#3D438D #8D3D6B #8D873D #3D8D5F

split-complementary

#3D438D #8D5F3D #6B8D3D

monochromatic

#181A38 #2B2F62 #3D438D #535AB4 #7D83C7

Accessibility & contrast

On white

8.80

#3D438D on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.39

#3D438D on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3D438D

8.80:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3D438D	#FFFFFF	#000000	##FFFFFF
##3D438D	1.00	8.80	2.39	8.80
#FFFFFF	8.80	1.00	21.00	1.00
#000000	2.39	21.00	1.00	21.00
##FFFFFF	8.80	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#1C4E90

Deuteranopia (green-blind)

#0F478B

Tritanopia (blue-blind)

#135461

Achromatopsia (no color)

#4A4A4A

Design tokens & code

CSS

--color: #3d438d;
/* rgb */ color: rgb(61, 67, 141);
/* oklch */ color: oklch(41.9% 0.121 276.4);

Tailwind

colors: {
  custom: {
    50: '#7977af',
    500: '#3d438d',
    950: '#000000',
  },
}

SCSS

$custom: #3d438d;
$custom-light: #7977af;
$custom-dark: #000000;

JSON

{
  "hex": "#3d438d",
  "rgb": {
    "r": 61,
    "g": 67,
    "b": 141
  },
  "hsl": {
    "h": 235.5,
    "s": 39.604,
    "l": 39.608
  },
  "oklch": {
    "l": 0.41862,
    "c": 0.12089,
    "h": 276.4
  },
  "luminance": 0.06929
}

Semantic roles & 50–950 ramp

primary

#3D438D

secondary

#B1AC75

accent

#C758CF

background

#F7F7FA

surface

#EEEDF4

border

#C9C8CE

text

#0A0810

muted

#7C7B7F

Preview Lab

Preview with #3D438D

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

Preview Lab → · Contrast checker → · Palette generator →