#231689#231689

#231689 is a dark, vivid blue. Relative luminance 0.027; OKLCH L 32.0% C 0.175 H 275.1°. Best body text is #FFFFFF at 13.57:1 contrast (WCAG AA passes).

Color values

HEX	#231689
RGB	rgb(35, 22, 137)
HSL	hsl(247, 72%, 31%)
HSV	hsv(247, 84%, 54%)
CMYK	cmyk(74.5%, 83.9%, 0%, 46.3%)
CIE-LAB	lab(18.96, 42.65, -60.38)
CIE-LCH	lch(18.96, 73.92, 305.24°)
OKLab	oklab(32.04% 0.0156 -0.1746)
OKLCH	oklch(32.04% 0.175 275.1)
XYZ	xyz(5.4939, 2.7367, 23.9008)
Luminance	0.0274 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#231689 #7C8916

analogous

#164289 #231689 #5C1689

triadic

#231689 #892316 #168923

tetradic

#231689 #891642 #7C8916 #16895C

square

#231689 #891642 #7C8916 #16895C

split-complementary

#231689 #895C16 #428916

monochromatic

#080520 #160E54 #231689 #301EBE #4D3ADF

Accessibility & contrast

On white

13.57

#231689 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.55

#231689 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #231689

13.57:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##231689	#FFFFFF	#000000	##FFFFFF
##231689	1.00	13.57	1.55	13.57
#FFFFFF	13.57	1.00	21.00	1.00
#000000	1.55	21.00	1.00	21.00
##FFFFFF	13.57	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00338C

Deuteranopia (green-blind)

#002987

Tritanopia (blue-blind)

#003B51

Achromatopsia (no color)

#2E2E2E

Design tokens & code

CSS

--color: #231689;
/* rgb */ color: rgb(35, 22, 137);
/* oklch */ color: oklch(32.0% 0.175 275.1);

Tailwind

colors: {
  custom: {
    50: '#7057ad',
    500: '#231689',
    950: '#000000',
  },
}

SCSS

$custom: #231689;
$custom-light: #7057ad;
$custom-dark: #000000;

JSON

{
  "hex": "#231689",
  "rgb": {
    "r": 35,
    "g": 22,
    "b": 137
  },
  "hsl": {
    "h": 246.783,
    "s": 72.327,
    "l": 31.176
  },
  "oklch": {
    "l": 0.32035,
    "c": 0.17525,
    "h": 275.1
  },
  "luminance": 0.02737
}

Semantic roles & 50–950 ramp

primary

#231689

secondary

#AFBD3E

accent

#EF39DA

background

#F7F5FA

surface

#EDE9F4

border

#C8C5CE

text

#090310

muted

#7B787F

Preview Lab

Preview with #231689

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

Preview Lab → · Contrast checker → · Palette generator →