#3D438F#3D438F

#3D438F is a dark, vivid blue. Relative luminance 0.070; OKLCH L 42.0% C 0.124 H 276.3°. Best body text is #FFFFFF at 8.76:1 contrast (WCAG AA passes).

Color values

HEX	#3D438F
RGB	rgb(61, 67, 143)
HSL	hsl(236, 40%, 40%)
HSV	hsv(236, 57%, 56%)
CMYK	cmyk(57.3%, 53.1%, 0%, 43.9%)
CIE-LAB	lab(31.78, 20.99, -43.05)
CIE-LCH	lch(31.78, 47.90, 295.99°)
OKLab	oklab(42.01% 0.0136 -0.1231)
OKLCH	oklch(42.01% 0.124 276.3)
XYZ	xyz(8.8880, 6.9890, 26.8619)
Luminance	0.0699 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3D438F #8F893D

analogous

#3D6C8F #3D438F #603D8F

triadic

#3D438F #8F3D43 #438F3D

tetradic

#3D438F #8F3D6C #8F893D #3D8F60

square

#3D438F #8F3D6C #8F893D #3D8F60

split-complementary

#3D438F #8F603D #6C8F3D

monochromatic

#181B39 #2B2F64 #3D438F #535BB6 #7E84C8

Accessibility & contrast

On white

8.76

#3D438F on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.40

#3D438F on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3D438F

8.76:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3D438F	#FFFFFF	#000000	##FFFFFF
##3D438F	1.00	8.76	2.40	8.76
#FFFFFF	8.76	1.00	21.00	1.00
#000000	2.40	21.00	1.00	21.00
##FFFFFF	8.76	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#194E92

Deuteranopia (green-blind)

#09478D

Tritanopia (blue-blind)

#105462

Achromatopsia (no color)

#4B4B4B

Design tokens & code

CSS

--color: #3d438f;
/* rgb */ color: rgb(61, 67, 143);
/* oklch */ color: oklch(42.0% 0.124 276.3);

Tailwind

colors: {
  custom: {
    50: '#7a77b0',
    500: '#3d438f',
    950: '#000000',
  },
}

SCSS

$custom: #3d438f;
$custom-light: #7a77b0;
$custom-dark: #000000;

JSON

{
  "hex": "#3d438f",
  "rgb": {
    "r": 61,
    "g": 67,
    "b": 143
  },
  "hsl": {
    "h": 235.61,
    "s": 40.196,
    "l": 40
  },
  "oklch": {
    "l": 0.42009,
    "c": 0.12385,
    "h": 276.3
  },
  "luminance": 0.0699
}

Semantic roles & 50–950 ramp

primary

#3D438F

secondary

#B2AE76

accent

#C758D0

background

#F7F7FA

surface

#EEEDF5

border

#C9C8CF

text

#0A0810

muted

#7C7B7F

Preview Lab

Preview with #3D438F

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

Preview Lab → · Contrast checker → · Palette generator →