#231A84#231A84

#231A84 is a dark, vivid blue. Relative luminance 0.028; OKLCH L 31.9% C 0.166 H 275.3°. Best body text is #FFFFFF at 13.53:1 contrast (WCAG AA passes).

Color values

HEX	#231A84
RGB	rgb(35, 26, 132)
HSL	hsl(245, 67%, 31%)
HSV	hsv(245, 80%, 52%)
CMYK	cmyk(73.5%, 80.3%, 0%, 48.2%)
CIE-LAB	lab(19.06, 39.00, -57.05)
CIE-LCH	lch(19.06, 69.11, 304.35°)
OKLab	oklab(31.94% 0.0153 -0.165)
OKLCH	oklch(31.94% 0.166 275.3)
XYZ	xyz(5.2260, 2.7616, 22.0829)
Luminance	0.0276 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#231A84 #7B841A

analogous

#1A4684 #231A84 #581A84

triadic

#231A84 #84231A #1A8423

tetradic

#231A84 #841A46 #7B841A #1A8458

square

#231A84 #841A46 #7B841A #1A8458

split-complementary

#231A84 #84581A #46841A

monochromatic

#08061E #151051 #231A84 #3124B7 #4C3FD9

Accessibility & contrast

On white

13.53

#231A84 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.55

#231A84 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #231A84

13.53:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##231A84	#FFFFFF	#000000	##FFFFFF
##231A84	1.00	13.53	1.55	13.53
#FFFFFF	13.53	1.00	21.00	1.00
#000000	1.55	21.00	1.00	21.00
##FFFFFF	13.53	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003387

Deuteranopia (green-blind)

#002982

Tritanopia (blue-blind)

#003A4F

Achromatopsia (no color)

#2E2E2E

Design tokens & code

CSS

--color: #231a84;
/* rgb */ color: rgb(35, 26, 132);
/* oklch */ color: oklch(31.9% 0.166 275.3);

Tailwind

colors: {
  custom: {
    50: '#6f59a9',
    500: '#231a84',
    950: '#000000',
  },
}

SCSS

$custom: #231a84;
$custom-light: #6f59a9;
$custom-dark: #000000;

JSON

{
  "hex": "#231a84",
  "rgb": {
    "r": 35,
    "g": 26,
    "b": 132
  },
  "hsl": {
    "h": 245.094,
    "s": 67.089,
    "l": 30.98
  },
  "oklch": {
    "l": 0.31935,
    "c": 0.16568,
    "h": 275.3
  },
  "luminance": 0.02762
}

Semantic roles & 50–950 ramp

primary

#231A84

secondary

#AEB842

accent

#EA3EDB

background

#F7F5FA

surface

#EDE9F4

border

#C8C5CE

text

#080410

muted

#7B797F

Preview Lab

Preview with #231A84

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

Preview Lab → · Contrast checker → · Palette generator →