#3A398D#3A398D

#3A398D is a dark, vivid blue. Relative luminance 0.057; OKLCH L 39.7% C 0.136 H 278.8°. Best body text is #FFFFFF at 9.77:1 contrast (WCAG AA passes).

Color values

HEX	#3A398D
RGB	rgb(58, 57, 141)
HSL	hsl(241, 42%, 39%)
HSV	hsv(241, 60%, 55%)
CMYK	cmyk(58.9%, 59.6%, 0%, 44.7%)
CIE-LAB	lab(28.77, 26.29, -46.70)
CIE-LCH	lch(28.77, 53.59, 299.37°)
OKLab	oklab(39.66% 0.0207 -0.134)
OKLCH	oklch(39.66% 0.136 278.8)
XYZ	xyz(8.0142, 5.7483, 25.8814)
Luminance	0.0575 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3A398D #8C8D39

analogous

#39628D #3A398D #64398D

triadic

#3A398D #8D3A39 #398D3A

tetradic

#3A398D #8D3962 #8C8D39 #398D64

square

#3A398D #8D3962 #8C8D39 #398D64

split-complementary

#3A398D #8D6439 #628D39

monochromatic

#161636 #282761 #3A398D #4E4CB7 #7978C8

Accessibility & contrast

On white

9.77

#3A398D on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.15

#3A398D on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3A398D

9.77:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3A398D	#FFFFFF	#000000	##FFFFFF
##3A398D	1.00	9.77	2.15	9.77
#FFFFFF	9.77	1.00	21.00	1.00
#000000	2.15	21.00	1.00	21.00
##FFFFFF	9.77	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#004790

Deuteranopia (green-blind)

#00408B

Tritanopia (blue-blind)

#084D5D

Achromatopsia (no color)

#444444

Design tokens & code

CSS

--color: #3a398d;
/* rgb */ color: rgb(58, 57, 141);
/* oklch */ color: oklch(39.7% 0.136 278.8);

Tailwind

colors: {
  custom: {
    50: '#786faf',
    500: '#3a398d',
    950: '#000000',
  },
}

SCSS

$custom: #3a398d;
$custom-light: #786faf;
$custom-dark: #000000;

JSON

{
  "hex": "#3a398d",
  "rgb": {
    "r": 58,
    "g": 57,
    "b": 141
  },
  "hsl": {
    "h": 240.714,
    "s": 42.424,
    "l": 38.824
  },
  "oklch": {
    "l": 0.39657,
    "c": 0.1356,
    "h": 278.8
  },
  "luminance": 0.05749
}

Semantic roles & 50–950 ramp

primary

#3A398D

secondary

#B1B270

accent

#D256D1

background

#F7F6FA

surface

#EEECF5

border

#C9C7CF

text

#0A0710

muted

#7C7A7F

Preview Lab

Preview with #3A398D

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

Preview Lab → · Contrast checker → · Palette generator →