#231EA7#231EA7

#231EA7 is a dark, highly saturated blue. Relative luminance 0.041; OKLCH L 36.5% C 0.204 H 271.5°. Best body text is #FFFFFF at 11.57:1 contrast (WCAG AA passes).

Color values

HEX	#231EA7
RGB	rgb(35, 30, 167)
HSL	hsl(242, 70%, 39%)
HSV	hsv(242, 82%, 65%)
CMYK	cmyk(79%, 82%, 0%, 34.5%)
CIE-LAB	lab(23.92, 48.24, -70.63)
CIE-LCH	lch(23.92, 85.53, 304.34°)
OKLab	oklab(36.53% 0.0053 -0.2044)
OKLCH	oklch(36.53% 0.204 271.5)
XYZ	xyz(8.1301, 4.0750, 36.9098)
Luminance	0.0408 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#231EA7 #A2A71E

analogous

#1E5DA7 #231EA7 #671EA7

triadic

#231EA7 #A7231E #1EA723

tetradic

#231EA7 #A71E5D #A2A71E #1EA767

square

#231EA7 #A71E5D #A2A71E #1EA767

split-complementary

#231EA7 #A7671E #5DA71E

monochromatic

#0D0B3F #181573 #231EA7 #302AD9 #625DE2

Accessibility & contrast

On white

11.57

#231EA7 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.82

#231EA7 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #231EA7

11.57:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##231EA7	#FFFFFF	#000000	##FFFFFF
##231EA7	1.00	11.57	1.82	11.57
#FFFFFF	11.57	1.00	21.00	1.00
#000000	1.82	21.00	1.00	21.00
##FFFFFF	11.57	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003FAB

Deuteranopia (green-blind)

#0032A5

Tritanopia (blue-blind)

#004A64

Achromatopsia (no color)

#393939

Design tokens & code

CSS

--color: #231ea7;
/* rgb */ color: rgb(35, 30, 167);
/* oklch */ color: oklch(36.5% 0.204 271.5);

Tailwind

colors: {
  custom: {
    50: '#775ec3',
    500: '#231ea7',
    950: '#000000',
  },
}

SCSS

$custom: #231ea7;
$custom-light: #775ec3;
$custom-dark: #000000;

JSON

{
  "hex": "#231ea7",
  "rgb": {
    "r": 35,
    "g": 30,
    "b": 167
  },
  "hsl": {
    "h": 242.19,
    "s": 69.543,
    "l": 38.627
  },
  "oklch": {
    "l": 0.36525,
    "c": 0.20448,
    "h": 271.5
  },
  "luminance": 0.04076
}

Semantic roles & 50–950 ramp

primary

#231EA7

secondary

#C2C65B

accent

#EC3BE6

background

#F8F5FC

surface

#EFE9F8

border

#CAC5D1

text

#0B0513

muted

#7C7982

Preview Lab

Preview with #231EA7

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

Preview Lab → · Contrast checker → · Palette generator →