#3D4399#3D4399

#3D4399 is a dark, vivid blue. Relative luminance 0.073; OKLCH L 42.8% C 0.138 H 275.9°. Best body text is #FFFFFF at 8.53:1 contrast (WCAG AA passes).

Color values

HEX	#3D4399
RGB	rgb(61, 67, 153)
HSL	hsl(236, 43%, 42%)
HSV	hsv(236, 60%, 60%)
CMYK	cmyk(60.1%, 56.2%, 0%, 40%)
CIE-LAB	lab(32.49, 24.47, -48.01)
CIE-LCH	lch(32.49, 53.89, 297.01°)
OKLab	oklab(42.77% 0.0141 -0.1377)
OKLCH	oklch(42.77% 0.138 275.9)
XYZ	xyz(9.6795, 7.3056, 31.0309)
Luminance	0.0731 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3D4399 #99933D

analogous

#3D7199 #3D4399 #653D99

triadic

#3D4399 #993D43 #43993D

tetradic

#3D4399 #993D71 #99933D #3D9965

square

#3D4399 #993D71 #99933D #3D9965

split-complementary

#3D4399 #99653D #71993D

monochromatic

#1A1D41 #2C306D #3D4399 #575EBC #8388CE

Accessibility & contrast

On white

8.53

#3D4399 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.46

#3D4399 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3D4399

8.53:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3D4399	#FFFFFF	#000000	##FFFFFF
##3D4399	1.00	8.53	2.46	8.53
#FFFFFF	8.53	1.00	21.00	1.00
#000000	2.46	21.00	1.00	21.00
##FFFFFF	8.53	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#03509C

Deuteranopia (green-blind)

#004997

Tritanopia (blue-blind)

#005767

Achromatopsia (no color)

#4C4C4C

Design tokens & code

CSS

--color: #3d4399;
/* rgb */ color: rgb(61, 67, 153);
/* oklch */ color: oklch(42.8% 0.138 275.9);

Tailwind

colors: {
  custom: {
    50: '#7c77b8',
    500: '#3d4399',
    950: '#000000',
  },
}

SCSS

$custom: #3d4399;
$custom-light: #7c77b8;
$custom-dark: #000000;

JSON

{
  "hex": "#3d4399",
  "rgb": {
    "r": 61,
    "g": 67,
    "b": 153
  },
  "hsl": {
    "h": 236.087,
    "s": 42.991,
    "l": 41.961
  },
  "oklch": {
    "l": 0.42769,
    "c": 0.1384,
    "h": 275.9
  },
  "luminance": 0.07306
}

Semantic roles & 50–950 ramp

primary

#3D4399

secondary

#B8B47A

accent

#CB55D3

background

#F7F7FB

surface

#EEEDF6

border

#C9C8D0

text

#0A0811

muted

#7C7B80

Preview Lab

Preview with #3D4399

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

Preview Lab → · Contrast checker → · Palette generator →