#23138A#23138A

#23138A is a dark, vivid blue. Relative luminance 0.027; OKLCH L 31.8% C 0.179 H 275.2°. Best body text is #FFFFFF at 13.71:1 contrast (WCAG AA passes).

Color values

HEX	#23138A
RGB	rgb(35, 19, 138)
HSL	hsl(248, 76%, 31%)
HSV	hsv(248, 86%, 54%)
CMYK	cmyk(74.6%, 86.2%, 0%, 45.9%)
CIE-LAB	lab(18.62, 44.33, -61.57)
CIE-LCH	lch(18.62, 75.86, 305.75°)
OKLab	oklab(31.84% 0.0163 -0.178)
OKLCH	oklch(31.84% 0.179 275.2)
XYZ	xyz(5.5119, 2.6575, 24.2623)
Luminance	0.0266 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#23138A #7A8A13

analogous

#133E8A #23138A #5E138A

triadic

#23138A #8A2313 #138A23

tetradic

#23138A #8A133E #7A8A13 #138A5E

square

#23138A #8A133E #7A8A13 #138A5E

split-complementary

#23138A #8A5E13 #3E8A13

monochromatic

#08041E #150C54 #23138A #311AC0 #4C34E3

Accessibility & contrast

On white

13.71

#23138A on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.53

#23138A on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #23138A

13.71:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##23138A	#FFFFFF	#000000	##FFFFFF
##23138A	1.00	13.71	1.53	13.71
#FFFFFF	13.71	1.00	21.00	1.00
#000000	1.53	21.00	1.00	21.00
##FFFFFF	13.71	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00328D

Deuteranopia (green-blind)

#002888

Tritanopia (blue-blind)

#003A51

Achromatopsia (no color)

#2D2D2D

Design tokens & code

CSS

--color: #23138a;
/* rgb */ color: rgb(35, 19, 138);
/* oklch */ color: oklch(31.8% 0.179 275.2);

Tailwind

colors: {
  custom: {
    50: '#7156ad',
    500: '#23138a',
    950: '#000000',
  },
}

SCSS

$custom: #23138a;
$custom-light: #7156ad;
$custom-dark: #000000;

JSON

{
  "hex": "#23138a",
  "rgb": {
    "r": 35,
    "g": 19,
    "b": 138
  },
  "hsl": {
    "h": 248.067,
    "s": 75.796,
    "l": 30.784
  },
  "oklch": {
    "l": 0.31836,
    "c": 0.1787,
    "h": 275.2
  },
  "luminance": 0.02658
}

Semantic roles & 50–950 ramp

primary

#23138A

secondary

#ADBE3A

accent

#F235D9

background

#F7F5FA

surface

#EDE9F4

border

#C8C5CE

text

#090310

muted

#7B787F

Preview Lab

Preview with #23138A

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

Preview Lab → · Contrast checker → · Palette generator →