#231A79#231A79

#231A79 is a dark, vivid blue. Relative luminance 0.025; OKLCH L 30.7% C 0.152 H 276.8°. Best body text is #FFFFFF at 14.04:1 contrast (WCAG AA passes).

Color values

HEX	#231A79
RGB	rgb(35, 26, 121)
HSL	hsl(246, 65%, 29%)
HSV	hsv(246, 79%, 47%)
CMYK	cmyk(71.1%, 78.5%, 0%, 52.5%)
CIE-LAB	lab(17.81, 35.31, -52.13)
CIE-LCH	lch(17.81, 62.97, 304.12°)
OKLab	oklab(30.69% 0.018 -0.1506)
OKLCH	oklch(30.69% 0.152 276.8)
XYZ	xyz(4.5126, 2.4762, 18.3256)
Luminance	0.0248 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#231A79 #70791A

analogous

#1A4179 #231A79 #531A79

triadic

#231A79 #79231A #1A7923

tetradic

#231A79 #791A41 #70791A #1A7953

square

#231A79 #791A41 #70791A #1A7953

split-complementary

#231A79 #79531A #41791A

monochromatic

#070519 #140F47 #231A79 #3225AB #4839D4

Accessibility & contrast

On white

14.04

#231A79 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.50

#231A79 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #231A79

14.04:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##231A79	#FFFFFF	#000000	##FFFFFF
##231A79	1.00	14.04	1.50	14.04
#FFFFFF	14.04	1.00	21.00	1.00
#000000	1.50	21.00	1.00	21.00
##FFFFFF	14.04	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00307C

Deuteranopia (green-blind)

#002777

Tritanopia (blue-blind)

#003648

Achromatopsia (no color)

#2C2C2C

Design tokens & code

CSS

--color: #231a79;
/* rgb */ color: rgb(35, 26, 121);
/* oklch */ color: oklch(30.7% 0.152 276.8);

Tailwind

colors: {
  custom: {
    50: '#6c58a1',
    500: '#231a79',
    950: '#000000',
  },
}

SCSS

$custom: #231a79;
$custom-light: #6c58a1;
$custom-dark: #000000;

JSON

{
  "hex": "#231a79",
  "rgb": {
    "r": 35,
    "g": 26,
    "b": 121
  },
  "hsl": {
    "h": 245.684,
    "s": 64.626,
    "l": 28.824
  },
  "oklch": {
    "l": 0.30685,
    "c": 0.15173,
    "h": 276.8
  },
  "luminance": 0.02477
}

Semantic roles & 50–950 ramp

primary

#231A79

secondary

#A3AD41

accent

#E840D8

background

#F7F5FA

surface

#EDE9F3

border

#C8C5CD

text

#08030F

muted

#7B787F

Preview Lab

Preview with #231A79

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

Preview Lab → · Contrast checker → · Palette generator →