#3B388E#3B388E

#3B388E is a dark, vivid blue. Relative luminance 0.057; OKLCH L 39.6% C 0.138 H 279.6°. Best body text is #FFFFFF at 9.80:1 contrast (WCAG AA passes).

Color values

HEX	#3B388E
RGB	rgb(59, 56, 142)
HSL	hsl(242, 43%, 39%)
HSV	hsv(242, 61%, 56%)
CMYK	cmyk(58.5%, 60.6%, 0%, 44.3%)
CIE-LAB	lab(28.67, 27.48, -47.48)
CIE-LCH	lch(28.67, 54.85, 300.06°)
OKLab	oklab(39.63% 0.023 -0.1363)
OKLCH	oklch(39.63% 0.138 279.6)
XYZ	xyz(8.0988, 5.7106, 26.2614)
Luminance	0.0571 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3B388E #8B8E38

analogous

#38608E #3B388E #66388E

triadic

#3B388E #8E3B38 #388E3B

tetradic

#3B388E #8E3860 #8B8E38 #388E66

square

#3B388E #8E3860 #8B8E38 #388E66

split-complementary

#3B388E #8E6638 #608E38

monochromatic

#171536 #292762 #3B388E #4F4BB8 #7A77C9

Accessibility & contrast

On white

9.80

#3B388E on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.14

#3B388E on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3B388E

9.80:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3B388E	#FFFFFF	#000000	##FFFFFF
##3B388E	1.00	9.80	2.14	9.80
#FFFFFF	9.80	1.00	21.00	1.00
#000000	2.14	21.00	1.00	21.00
##FFFFFF	9.80	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#004791

Deuteranopia (green-blind)

#00408C

Tritanopia (blue-blind)

#0C4D5D

Achromatopsia (no color)

#444444

Design tokens & code

CSS

--color: #3b388e;
/* rgb */ color: rgb(59, 56, 142);
/* oklch */ color: oklch(39.6% 0.138 279.6);

Tailwind

colors: {
  custom: {
    50: '#796fb0',
    500: '#3b388e',
    950: '#000000',
  },
}

SCSS

$custom: #3b388e;
$custom-light: #796fb0;
$custom-dark: #000000;

JSON

{
  "hex": "#3b388e",
  "rgb": {
    "r": 59,
    "g": 56,
    "b": 142
  },
  "hsl": {
    "h": 242.093,
    "s": 43.434,
    "l": 38.824
  },
  "oklch": {
    "l": 0.39629,
    "c": 0.1382,
    "h": 279.6
  },
  "luminance": 0.05711
}

Semantic roles & 50–950 ramp

primary

#3B388E

secondary

#B0B26F

accent

#D355CF

background

#F7F6FA

surface

#EEECF5

border

#C9C7CF

text

#0A0710

muted

#7C7A7F

Preview Lab

Preview with #3B388E

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

Preview Lab → · Contrast checker → · Palette generator →