#231589#231589

#231589 is a dark, vivid blue. Relative luminance 0.027; OKLCH L 31.9% C 0.176 H 275.2°. Best body text is #FFFFFF at 13.64:1 contrast (WCAG AA passes).

Color values

HEX	#231589
RGB	rgb(35, 21, 137)
HSL	hsl(247, 73%, 31%)
HSV	hsv(247, 85%, 54%)
CMYK	cmyk(74.5%, 84.7%, 0%, 46.3%)
CIE-LAB	lab(18.80, 43.12, -60.64)
CIE-LCH	lch(18.80, 74.41, 305.41°)
OKLab	oklab(31.92% 0.0159 -0.1753)
OKLCH	oklch(31.92% 0.176 275.2)
XYZ	xyz(5.4752, 2.6993, 23.8945)
Luminance	0.0270 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#231589 #7B8915

analogous

#154189 #231589 #5D1589

triadic

#231589 #892315 #158923

tetradic

#231589 #891541 #7B8915 #15895D

square

#231589 #891541 #7B8915 #15895D

split-complementary

#231589 #895D15 #418915

monochromatic

#08051F #150D54 #231589 #311DBE #4C38E0

Accessibility & contrast

On white

13.64

#231589 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.54

#231589 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #231589

13.64:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##231589	#FFFFFF	#000000	##FFFFFF
##231589	1.00	13.64	1.54	13.64
#FFFFFF	13.64	1.00	21.00	1.00
#000000	1.54	21.00	1.00	21.00
##FFFFFF	13.64	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00338C

Deuteranopia (green-blind)

#002887

Tritanopia (blue-blind)

#003A51

Achromatopsia (no color)

#2E2E2E

Design tokens & code

CSS

--color: #231589;
/* rgb */ color: rgb(35, 21, 137);
/* oklch */ color: oklch(31.9% 0.176 275.2);

Tailwind

colors: {
  custom: {
    50: '#7057ad',
    500: '#231589',
    950: '#000000',
  },
}

SCSS

$custom: #231589;
$custom-light: #7057ad;
$custom-dark: #000000;

JSON

{
  "hex": "#231589",
  "rgb": {
    "r": 35,
    "g": 21,
    "b": 137
  },
  "hsl": {
    "h": 247.241,
    "s": 73.418,
    "l": 30.98
  },
  "oklch": {
    "l": 0.31924,
    "c": 0.17603,
    "h": 275.2
  },
  "luminance": 0.027
}

Semantic roles & 50–950 ramp

primary

#231589

secondary

#AEBD3D

accent

#F038DA

background

#F7F5FA

surface

#EDE9F4

border

#C8C5CE

text

#090310

muted

#7B787F

Preview Lab

Preview with #231589

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

Preview Lab → · Contrast checker → · Palette generator →