#3A23B1#3A23B1

#3A23B1 is a dark, highly saturated blue. Relative luminance 0.053; OKLCH L 39.8% C 0.206 H 278.8°. Best body text is #FFFFFF at 10.22:1 contrast (WCAG AA passes).

Color values

HEX	#3A23B1
RGB	rgb(58, 35, 177)
HSL	hsl(250, 67%, 42%)
HSV	hsv(250, 80%, 69%)
CMYK	cmyk(67.2%, 80.2%, 0%, 30.6%)
CIE-LAB	lab(27.50, 50.70, -70.65)
CIE-LCH	lch(27.50, 86.96, 305.66°)
OKLab	oklab(39.77% 0.0314 -0.2041)
OKLCH	oklch(39.77% 0.206 278.8)
XYZ	xyz(10.2792, 5.2751, 42.0629)
Luminance	0.0528 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3A23B1 #9AB123

analogous

#2353B1 #3A23B1 #8123B1

triadic

#3A23B1 #B13A23 #23B13A

tetradic

#3A23B1 #B12353 #9AB123 #23B181

square

#3A23B1 #B12353 #9AB123 #23B181

split-complementary

#3A23B1 #B18123 #53B123

monochromatic

#190F4B #29197E #3A23B1 #5339D8 #7F6CE2

Accessibility & contrast

On white

10.22

#3A23B1 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.06

#3A23B1 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3A23B1

10.22:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3A23B1	#FFFFFF	#000000	##FFFFFF
##3A23B1	1.00	10.22	2.06	10.22
#FFFFFF	10.22	1.00	21.00	1.00
#000000	2.06	21.00	1.00	21.00
##FFFFFF	10.22	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0046B5

Deuteranopia (green-blind)

#003BAF

Tritanopia (blue-blind)

#004F6A

Achromatopsia (no color)

#414141

Design tokens & code

CSS

--color: #3a23b1;
/* rgb */ color: rgb(58, 35, 177);
/* oklch */ color: oklch(39.8% 0.206 278.8);

Tailwind

colors: {
  custom: {
    50: '#8163ca',
    500: '#3a23b1',
    950: '#000000',
  },
}

SCSS

$custom: #3a23b1;
$custom-light: #8163ca;
$custom-dark: #000000;

JSON

{
  "hex": "#3a23b1",
  "rgb": {
    "r": 58,
    "g": 35,
    "b": 177
  },
  "hsl": {
    "h": 249.718,
    "s": 66.981,
    "l": 41.569
  },
  "oklch": {
    "l": 0.3977,
    "c": 0.20646,
    "h": 278.8
  },
  "luminance": 0.05276
}

Semantic roles & 50–950 ramp

primary

#3A23B1

secondary

#B9C868

accent

#EA3ECE

background

#F8F6FC

surface

#F0EBF9

border

#CBC6D2

text

#0C0513

muted

#7D7A82

Preview Lab

Preview with #3A23B1

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

Preview Lab → · Contrast checker → · Palette generator →