#3D4E81#3D4E81

#3D4E81 is a dark, moderate blue. Relative luminance 0.080; OKLCH L 43.4% C 0.087 H 268.7°. Best body text is #FFFFFF at 8.06:1 contrast (WCAG AA passes).

Color values

HEX	#3D4E81
RGB	rgb(61, 78, 129)
HSL	hsl(225, 36%, 37%)
HSV	hsv(225, 53%, 51%)
CMYK	cmyk(52.7%, 39.5%, 0%, 49.4%)
CIE-LAB	lab(34.04, 8.89, -30.84)
CIE-LCH	lch(34.04, 32.10, 286.07°)
OKLab	oklab(43.45% -0.002 -0.0872)
OKLCH	oklch(43.45% 0.087 268.7)
XYZ	xyz(8.6100, 8.0253, 21.8600)
Luminance	0.0803 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3D4E81 #81703D

analogous

#3D7081 #3D4E81 #4E3D81

triadic

#3D4E81 #813D4E #4E813D

tetradic

#3D4E81 #813D70 #81703D #3D814E

square

#3D4E81 #813D70 #81703D #3D814E

split-complementary

#3D4E81 #814E3D #70813D

monochromatic

#161C2E #293557 #3D4E81 #5167AB #798BC0

Accessibility & contrast

On white

8.06

#3D4E81 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.61

#3D4E81 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3D4E81

8.06:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3D4E81	#FFFFFF	#000000	##FFFFFF
##3D4E81	1.00	8.06	2.61	8.06
#FFFFFF	8.06	1.00	21.00	1.00
#000000	2.61	21.00	1.00	21.00
##FFFFFF	8.06	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#3A5383

Deuteranopia (green-blind)

#334D80

Tritanopia (blue-blind)

#1F5961

Achromatopsia (no color)

#505050

Design tokens & code

CSS

--color: #3d4e81;
/* rgb */ color: rgb(61, 78, 129);
/* oklch */ color: oklch(43.4% 0.087 268.7);

Tailwind

colors: {
  custom: {
    50: '#777fa6',
    500: '#3d4e81',
    950: '#000000',
  },
}

SCSS

$custom: #3d4e81;
$custom-light: #777fa6;
$custom-dark: #000000;

JSON

{
  "hex": "#3d4e81",
  "rgb": {
    "r": 61,
    "g": 78,
    "b": 129
  },
  "hsl": {
    "h": 225,
    "s": 35.789,
    "l": 37.255
  },
  "oklch": {
    "l": 0.43446,
    "c": 0.0872,
    "h": 268.7
  },
  "luminance": 0.08026
}

Semantic roles & 50–950 ramp

primary

#3D4E81

secondary

#A99B70

accent

#B05CCC

background

#F7F7FA

surface

#EDEEF4

border

#C8C9CE

text

#090A0F

muted

#7B7C7F

Preview Lab

Preview with #3D4E81

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

Preview Lab → · Contrast checker → · Palette generator →