#3D397B#3D397B

#3D397B is a dark, moderate blue. Relative luminance 0.053; OKLCH L 38.5% C 0.109 H 282.8°. Best body text is #FFFFFF at 10.15:1 contrast (WCAG AA passes).

Color values

HEX	#3D397B
RGB	rgb(61, 57, 123)
HSL	hsl(244, 37%, 35%)
HSV	hsv(244, 54%, 48%)
CMYK	cmyk(50.4%, 53.7%, 0%, 51.8%)
CIE-LAB	lab(27.70, 20.82, -37.19)
CIE-LCH	lch(27.70, 42.62, 299.24°)
OKLab	oklab(38.51% 0.024 -0.1059)
OKLCH	oklch(38.51% 0.109 282.8)
XYZ	xyz(6.9617, 5.3481, 19.4005)
Luminance	0.0535 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3D397B #777B39

analogous

#39567B #3D397B #5E397B

triadic

#3D397B #7B3D39 #397B3D

tetradic

#3D397B #7B3956 #777B39 #397B5E

square

#3D397B #7B3956 #777B39 #397B5E

split-complementary

#3D397B #7B5E39 #567B39

monochromatic

#141227 #282651 #3D397B #524CA5 #7671BD

Accessibility & contrast

On white

10.15

#3D397B on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.07

#3D397B on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3D397B

10.15:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3D397B	#FFFFFF	#000000	##FFFFFF
##3D397B	1.00	10.15	2.07	10.15
#FFFFFF	10.15	1.00	21.00	1.00
#000000	2.07	21.00	1.00	21.00
##FFFFFF	10.15	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#19447D

Deuteranopia (green-blind)

#143F7A

Tritanopia (blue-blind)

#274754

Achromatopsia (no color)

#414141

Design tokens & code

CSS

--color: #3d397b;
/* rgb */ color: rgb(61, 57, 123);
/* oklch */ color: oklch(38.5% 0.109 282.8);

Tailwind

colors: {
  custom: {
    50: '#776fa2',
    500: '#3d397b',
    950: '#000000',
  },
}

SCSS

$custom: #3d397b;
$custom-light: #776fa2;
$custom-dark: #000000;

JSON

{
  "hex": "#3d397b",
  "rgb": {
    "r": 61,
    "g": 57,
    "b": 123
  },
  "hsl": {
    "h": 243.636,
    "s": 36.667,
    "l": 35.294
  },
  "oklch": {
    "l": 0.38509,
    "c": 0.10863,
    "h": 282.8
  },
  "luminance": 0.05348
}

Semantic roles & 50–950 ramp

primary

#3D397B

secondary

#A3A669

accent

#CD5BC6

background

#F7F6FA

surface

#EDECF3

border

#C8C7CD

text

#09070F

muted

#7B7A7F

Preview Lab

Preview with #3D397B

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

Preview Lab → · Contrast checker → · Palette generator →