#3D438E#3D438E

#3D438E is a dark, vivid blue. Relative luminance 0.070; OKLCH L 41.9% C 0.122 H 276.3°. Best body text is #FFFFFF at 8.78:1 contrast (WCAG AA passes).

Color values

HEX	#3D438E
RGB	rgb(61, 67, 142)
HSL	hsl(236, 40%, 40%)
HSV	hsv(236, 57%, 56%)
CMYK	cmyk(57%, 52.8%, 0%, 44.3%)
CIE-LAB	lab(31.71, 20.64, -42.55)
CIE-LCH	lch(31.71, 47.29, 295.88°)
OKLab	oklab(41.94% 0.0135 -0.1216)
OKLCH	oklch(41.94% 0.122 276.3)
XYZ	xyz(8.8125, 6.9588, 26.4647)
Luminance	0.0696 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3D438E #8E883D

analogous

#3D6B8E #3D438E #603D8E

triadic

#3D438E #8E3D43 #438E3D

tetradic

#3D438E #8E3D6B #8E883D #3D8E60

square

#3D438E #8E3D6B #8E883D #3D8E60

split-complementary

#3D438E #8E603D #6B8E3D

monochromatic

#181B38 #2B2F63 #3D438E #535AB5 #7E83C8

Accessibility & contrast

On white

8.78

#3D438E on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.39

#3D438E on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3D438E

8.78:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3D438E	#FFFFFF	#000000	##FFFFFF
##3D438E	1.00	8.78	2.39	8.78
#FFFFFF	8.78	1.00	21.00	1.00
#000000	2.39	21.00	1.00	21.00
##FFFFFF	8.78	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#1B4E91

Deuteranopia (green-blind)

#0C478C

Tritanopia (blue-blind)

#125462

Achromatopsia (no color)

#4B4B4B

Design tokens & code

CSS

--color: #3d438e;
/* rgb */ color: rgb(61, 67, 142);
/* oklch */ color: oklch(41.9% 0.122 276.3);

Tailwind

colors: {
  custom: {
    50: '#7a77b0',
    500: '#3d438e',
    950: '#000000',
  },
}

SCSS

$custom: #3d438e;
$custom-light: #7a77b0;
$custom-dark: #000000;

JSON

{
  "hex": "#3d438e",
  "rgb": {
    "r": 61,
    "g": 67,
    "b": 142
  },
  "hsl": {
    "h": 235.556,
    "s": 39.901,
    "l": 39.804
  },
  "oklch": {
    "l": 0.41936,
    "c": 0.12237,
    "h": 276.3
  },
  "luminance": 0.06959
}

Semantic roles & 50–950 ramp

primary

#3D438E

secondary

#B1AD75

accent

#C758D0

background

#F7F7FA

surface

#EEEDF5

border

#C9C8CF

text

#0A0810

muted

#7C7B7F

Preview Lab

Preview with #3D438E

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

Preview Lab → · Contrast checker → · Palette generator →