#3D307F#3D307F

#3D307F is a dark, vivid blue. Relative luminance 0.046; OKLCH L 37.1% C 0.128 H 285.9°. Best body text is #FFFFFF at 10.89:1 contrast (WCAG AA passes).

Color values

HEX	#3D307F
RGB	rgb(61, 48, 127)
HSL	hsl(250, 45%, 34%)
HSV	hsv(250, 62%, 50%)
CMYK	cmyk(52%, 62.2%, 0%, 50.2%)
CIE-LAB	lab(25.68, 28.04, -42.98)
CIE-LCH	lch(25.68, 51.31, 303.12°)
OKLab	oklab(37.1% 0.035 -0.123)
OKLCH	oklch(37.1% 0.128 285.9)
XYZ	xyz(6.8111, 4.6380, 20.6109)
Luminance	0.0464 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3D307F #727F30

analogous

#304B7F #3D307F #65307F

triadic

#3D307F #7F3D30 #307F3D

tetradic

#3D307F #7F304B #727F30 #307F65

square

#3D307F #7F304B #727F30 #307F65

split-complementary

#3D307F #7F6530 #4B7F30

monochromatic

#120E26 #281F53 #3D307F #5241AB #7565C5

Accessibility & contrast

On white

10.89

#3D307F on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.93

#3D307F on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3D307F

10.89:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3D307F	#FFFFFF	#000000	##FFFFFF
##3D307F	1.00	10.89	1.93	10.89
#FFFFFF	10.89	1.00	21.00	1.00
#000000	1.93	21.00	1.00	21.00
##FFFFFF	10.89	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003F82

Deuteranopia (green-blind)

#003A7D

Tritanopia (blue-blind)

#254252

Achromatopsia (no color)

#3D3D3D

Design tokens & code

CSS

--color: #3d307f;
/* rgb */ color: rgb(61, 48, 127);
/* oklch */ color: oklch(37.1% 0.128 285.9);

Tailwind

colors: {
  custom: {
    50: '#7869a5',
    500: '#3d307f',
    950: '#000000',
  },
}

SCSS

$custom: #3d307f;
$custom-light: #7869a5;
$custom-dark: #000000;

JSON

{
  "hex": "#3d307f",
  "rgb": {
    "r": 61,
    "g": 48,
    "b": 127
  },
  "hsl": {
    "h": 249.873,
    "s": 45.143,
    "l": 34.314
  },
  "oklch": {
    "l": 0.371,
    "c": 0.1279,
    "h": 285.9
  },
  "luminance": 0.04638
}

Semantic roles & 50–950 ramp

primary

#3D307F

secondary

#9FAC5F

accent

#D553BF

background

#F7F6FA

surface

#EEEBF4

border

#C9C6CE

text

#09060F

muted

#7B7A7F

Preview Lab

Preview with #3D307F

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

Preview Lab → · Contrast checker → · Palette generator →