#231A87#231A87

#231A87 is a dark, vivid blue. Relative luminance 0.028; OKLCH L 32.3% C 0.169 H 274.9°. Best body text is #FFFFFF at 13.38:1 contrast (WCAG AA passes).

Color values

HEX	#231A87
RGB	rgb(35, 26, 135)
HSL	hsl(245, 68%, 32%)
HSV	hsv(245, 81%, 53%)
CMYK	cmyk(74.1%, 80.7%, 0%, 47.1%)
CIE-LAB	lab(19.41, 39.98, -58.37)
CIE-LCH	lch(19.41, 70.75, 304.41°)
OKLab	oklab(32.28% 0.0145 -0.1688)
OKLCH	oklch(32.28% 0.169 274.9)
XYZ	xyz(5.4343, 2.8449, 23.1797)
Luminance	0.0284 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#231A87 #7E871A

analogous

#1A4887 #231A87 #5A1A87

triadic

#231A87 #87231A #1A8723

tetradic

#231A87 #871A48 #7E871A #1A875A

square

#231A87 #871A48 #7E871A #1A875A

split-complementary

#231A87 #875A1A #48871A

monochromatic

#080620 #161054 #231A87 #3024BA #4E41DA

Accessibility & contrast

On white

13.38

#231A87 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.57

#231A87 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #231A87

13.38:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##231A87	#FFFFFF	#000000	##FFFFFF
##231A87	1.00	13.38	1.57	13.38
#FFFFFF	13.38	1.00	21.00	1.00
#000000	1.57	21.00	1.00	21.00
##FFFFFF	13.38	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00348A

Deuteranopia (green-blind)

#002A85

Tritanopia (blue-blind)

#003B50

Achromatopsia (no color)

#2F2F2F

Design tokens & code

CSS

--color: #231a87;
/* rgb */ color: rgb(35, 26, 135);
/* oklch */ color: oklch(32.3% 0.169 274.9);

Tailwind

colors: {
  custom: {
    50: '#6f59ab',
    500: '#231a87',
    950: '#000000',
  },
}

SCSS

$custom: #231a87;
$custom-light: #6f59ab;
$custom-dark: #000000;

JSON

{
  "hex": "#231a87",
  "rgb": {
    "r": 35,
    "g": 26,
    "b": 135
  },
  "hsl": {
    "h": 244.954,
    "s": 67.702,
    "l": 31.569
  },
  "oklch": {
    "l": 0.32281,
    "c": 0.16941,
    "h": 274.9
  },
  "luminance": 0.02845
}

Semantic roles & 50–950 ramp

primary

#231A87

secondary

#B0BA42

accent

#EB3DDC

background

#F7F5FA

surface

#EDE9F4

border

#C8C5CE

text

#090410

muted

#7B797F

Preview Lab

Preview with #231A87

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

Preview Lab → · Contrast checker → · Palette generator →