#3A307F#3A307F

#3A307F is a dark, vivid blue. Relative luminance 0.045; OKLCH L 36.8% C 0.128 H 283.9°. Best body text is #FFFFFF at 11.00:1 contrast (WCAG AA passes).

Color values

HEX	#3A307F
RGB	rgb(58, 48, 127)
HSL	hsl(248, 45%, 34%)
HSV	hsv(248, 62%, 50%)
CMYK	cmyk(54.3%, 62.2%, 0%, 50.2%)
CIE-LAB	lab(25.40, 27.40, -43.44)
CIE-LCH	lch(25.40, 51.36, 302.24°)
OKLab	oklab(36.83% 0.0308 -0.1245)
OKLCH	oklch(36.83% 0.128 283.9)
XYZ	xyz(6.6315, 4.5454, 20.6025)
Luminance	0.0455 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3A307F #757F30

analogous

#304E7F #3A307F #62307F

triadic

#3A307F #7F3A30 #307F3A

tetradic

#3A307F #7F304E #757F30 #307F62

square

#3A307F #7F304E #757F30 #307F62

split-complementary

#3A307F #7F6230 #4E7F30

monochromatic

#110E26 #261F53 #3A307F #4E41AB #7165C5

Accessibility & contrast

On white

11.00

#3A307F on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.91

#3A307F on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3A307F

11.00:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3A307F	#FFFFFF	#000000	##FFFFFF
##3A307F	1.00	11.00	1.91	11.00
#FFFFFF	11.00	1.00	21.00	1.00
#000000	1.91	21.00	1.00	21.00
##FFFFFF	11.00	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003F82

Deuteranopia (green-blind)

#003A7D

Tritanopia (blue-blind)

#1E4352

Achromatopsia (no color)

#3C3C3C

Design tokens & code

CSS

--color: #3a307f;
/* rgb */ color: rgb(58, 48, 127);
/* oklch */ color: oklch(36.8% 0.128 283.9);

Tailwind

colors: {
  custom: {
    50: '#7769a5',
    500: '#3a307f',
    950: '#000000',
  },
}

SCSS

$custom: #3a307f;
$custom-light: #7769a5;
$custom-dark: #000000;

JSON

{
  "hex": "#3a307f",
  "rgb": {
    "r": 58,
    "g": 48,
    "b": 127
  },
  "hsl": {
    "h": 247.595,
    "s": 45.143,
    "l": 34.314
  },
  "oklch": {
    "l": 0.36826,
    "c": 0.12824,
    "h": 283.9
  },
  "luminance": 0.04546
}

Semantic roles & 50–950 ramp

primary

#3A307F

secondary

#A2AC5F

accent

#D553C4

background

#F7F6FA

surface

#EDEBF4

border

#C8C6CE

text

#09060F

muted

#7B7A7F

Preview Lab

Preview with #3A307F

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

Preview Lab → · Contrast checker → · Palette generator →