#231786#231786

#231786 is a dark, vivid blue. Relative luminance 0.027; OKLCH L 31.8% C 0.171 H 275.4°. Best body text is #FFFFFF at 13.65:1 contrast (WCAG AA passes).

Color values

HEX	#231786
RGB	rgb(35, 23, 134)
HSL	hsl(246, 71%, 31%)
HSV	hsv(246, 83%, 53%)
CMYK	cmyk(73.9%, 82.8%, 0%, 47.5%)
CIE-LAB	lab(18.76, 41.21, -58.82)
CIE-LCH	lch(18.76, 71.81, 305.02°)
OKLab	oklab(31.79% 0.016 -0.17)
OKLCH	oklch(31.79% 0.171 275.4)
XYZ	xyz(5.3012, 2.6908, 22.7896)
Luminance	0.0269 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#231786 #7A8617

analogous

#174386 #231786 #5A1786

triadic

#231786 #862317 #178623

tetradic

#231786 #861743 #7A8617 #17865A

square

#231786 #861743 #7A8617 #17865A

split-complementary

#231786 #865A17 #438617

monochromatic

#08051E #150E52 #231786 #3120BA #4C3ADD

Accessibility & contrast

On white

13.65

#231786 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.54

#231786 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #231786

13.65:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##231786	#FFFFFF	#000000	##FFFFFF
##231786	1.00	13.65	1.54	13.65
#FFFFFF	13.65	1.00	21.00	1.00
#000000	1.54	21.00	1.00	21.00
##FFFFFF	13.65	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003289

Deuteranopia (green-blind)

#002984

Tritanopia (blue-blind)

#003A4F

Achromatopsia (no color)

#2E2E2E

Design tokens & code

CSS

--color: #231786;
/* rgb */ color: rgb(35, 23, 134);
/* oklch */ color: oklch(31.8% 0.171 275.4);

Tailwind

colors: {
  custom: {
    50: '#6f58aa',
    500: '#231786',
    950: '#000000',
  },
}

SCSS

$custom: #231786;
$custom-light: #6f58aa;
$custom-dark: #000000;

JSON

{
  "hex": "#231786",
  "rgb": {
    "r": 35,
    "g": 23,
    "b": 134
  },
  "hsl": {
    "h": 246.486,
    "s": 70.701,
    "l": 30.784
  },
  "oklch": {
    "l": 0.31793,
    "c": 0.1708,
    "h": 275.4
  },
  "luminance": 0.02691
}

Semantic roles & 50–950 ramp

primary

#231786

secondary

#ADBA3F

accent

#ED3ADA

background

#F7F5FA

surface

#EDE9F4

border

#C8C5CE

text

#090310

muted

#7B787F

Preview Lab

Preview with #231786

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

Preview Lab → · Contrast checker → · Palette generator →