#231EA9#231EA9

#231EA9 is a dark, highly saturated blue. Relative luminance 0.042; OKLCH L 36.8% C 0.207 H 271.3°. Best body text is #FFFFFF at 11.48:1 contrast (WCAG AA passes).

Color values

HEX	#231EA9
RGB	rgb(35, 30, 169)
HSL	hsl(242, 70%, 39%)
HSV	hsv(242, 82%, 66%)
CMYK	cmyk(79.3%, 82.2%, 0%, 33.7%)
CIE-LAB	lab(24.16, 48.87, -71.44)
CIE-LCH	lch(24.16, 86.55, 304.38°)
OKLab	oklab(36.76% 0.0048 -0.2067)
OKLCH	oklch(36.76% 0.207 271.3)
XYZ	xyz(8.3164, 4.1495, 37.8911)
Luminance	0.0415 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#231EA9 #A4A91E

analogous

#1E5FA9 #231EA9 #691EA9

triadic

#231EA9 #A9231E #1EA923

tetradic

#231EA9 #A91E5F #A4A91E #1EA969

square

#231EA9 #A91E5F #A4A91E #1EA969

split-complementary

#231EA9 #A9691E #5FA91E

monochromatic

#0D0C41 #181575 #231EA9 #312BD9 #645FE3

Accessibility & contrast

On white

11.48

#231EA9 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.83

#231EA9 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #231EA9

11.48:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##231EA9	#FFFFFF	#000000	##FFFFFF
##231EA9	1.00	11.48	1.83	11.48
#FFFFFF	11.48	1.00	21.00	1.00
#000000	1.83	21.00	1.00	21.00
##FFFFFF	11.48	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0040AD

Deuteranopia (green-blind)

#0032A7

Tritanopia (blue-blind)

#004A65

Achromatopsia (no color)

#393939

Design tokens & code

CSS

--color: #231ea9;
/* rgb */ color: rgb(35, 30, 169);
/* oklch */ color: oklch(36.8% 0.207 271.3);

Tailwind

colors: {
  custom: {
    50: '#785ec4',
    500: '#231ea9',
    950: '#000000',
  },
}

SCSS

$custom: #231ea9;
$custom-light: #785ec4;
$custom-dark: #000000;

JSON

{
  "hex": "#231ea9",
  "rgb": {
    "r": 35,
    "g": 30,
    "b": 169
  },
  "hsl": {
    "h": 242.158,
    "s": 69.849,
    "l": 39.02
  },
  "oklch": {
    "l": 0.36762,
    "c": 0.20681,
    "h": 271.3
  },
  "luminance": 0.0415
}

Semantic roles & 50–950 ramp

primary

#231EA9

secondary

#C3C75C

accent

#ED3BE6

background

#F8F5FC

surface

#EFE9F8

border

#CAC5D1

text

#0B0513

muted

#7C7982

Preview Lab

Preview with #231EA9

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

Preview Lab → · Contrast checker → · Palette generator →