#231E87#231E87

#231E87 is a dark, vivid blue. Relative luminance 0.030; OKLCH L 32.8% C 0.166 H 274.4°. Best body text is #FFFFFF at 13.07:1 contrast (WCAG AA passes).

Color values

HEX	#231E87
RGB	rgb(35, 30, 135)
HSL	hsl(243, 64%, 32%)
HSV	hsv(243, 78%, 53%)
CMYK	cmyk(74.1%, 77.8%, 0%, 47.1%)
CIE-LAB	lab(20.18, 37.78, -57.09)
CIE-LCH	lch(20.18, 68.46, 303.49°)
OKLab	oklab(32.82% 0.0126 -0.1651)
OKLCH	oklch(32.82% 0.166 274.4)
XYZ	xyz(5.5291, 3.0346, 23.2113)
Luminance	0.0303 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#231E87 #82871E

analogous

#1E4E87 #231E87 #571E87

triadic

#231E87 #87231E #1E8723

tetradic

#231E87 #871E4E #82871E #1E8757

square

#231E87 #871E4E #82871E #1E8757

split-complementary

#231E87 #87571E #4E871E

monochromatic

#090823 #161355 #231E87 #3029B9 #5049D7

Accessibility & contrast

On white

13.07

#231E87 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.61

#231E87 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #231E87

13.07:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##231E87	#FFFFFF	#000000	##FFFFFF
##231E87	1.00	13.07	1.61	13.07
#FFFFFF	13.07	1.00	21.00	1.00
#000000	1.61	21.00	1.00	21.00
##FFFFFF	13.07	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00358A

Deuteranopia (green-blind)

#002C85

Tritanopia (blue-blind)

#003D51

Achromatopsia (no color)

#313131

Design tokens & code

CSS

--color: #231e87;
/* rgb */ color: rgb(35, 30, 135);
/* oklch */ color: oklch(32.8% 0.166 274.4);

Tailwind

colors: {
  custom: {
    50: '#6f5cab',
    500: '#231e87',
    950: '#000000',
  },
}

SCSS

$custom: #231e87;
$custom-light: #6f5cab;
$custom-dark: #000000;

JSON

{
  "hex": "#231e87",
  "rgb": {
    "r": 35,
    "g": 30,
    "b": 135
  },
  "hsl": {
    "h": 242.857,
    "s": 63.636,
    "l": 32.353
  },
  "oklch": {
    "l": 0.32822,
    "c": 0.16561,
    "h": 274.4
  },
  "luminance": 0.03035
}

Semantic roles & 50–950 ramp

primary

#231E87

secondary

#B3B948

accent

#E741DF

background

#F7F5FA

surface

#EDE9F4

border

#C8C5CE

text

#090410

muted

#7B797F

Preview Lab

Preview with #231E87

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

Preview Lab → · Contrast checker → · Palette generator →