#231E79#231E79

#231E79 is a dark, vivid blue. Relative luminance 0.027; OKLCH L 31.3% C 0.147 H 276.1°. Best body text is #FFFFFF at 13.70:1 contrast (WCAG AA passes).

Color values

HEX	#231E79
RGB	rgb(35, 30, 121)
HSL	hsl(243, 60%, 30%)
HSV	hsv(243, 75%, 47%)
CMYK	cmyk(71.1%, 75.2%, 0%, 52.5%)
CIE-LAB	lab(18.65, 32.94, -50.74)
CIE-LCH	lch(18.65, 60.50, 302.99°)
OKLab	oklab(31.28% 0.0156 -0.1466)
OKLCH	oklch(31.28% 0.147 276.1)
XYZ	xyz(4.6075, 2.6659, 18.3572)
Luminance	0.0267 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#231E79 #74791E

analogous

#1E4679 #231E79 #511E79

triadic

#231E79 #79231E #1E7923

tetradic

#231E79 #791E46 #74791E #1E7951

square

#231E79 #791E46 #74791E #1E7951

split-complementary

#231E79 #79511E #46791E

monochromatic

#070619 #151248 #231E79 #312AAA #4941D0

Accessibility & contrast

On white

13.70

#231E79 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.53

#231E79 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #231E79

13.70:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##231E79	#FFFFFF	#000000	##FFFFFF
##231E79	1.00	13.70	1.53	13.70
#FFFFFF	13.70	1.00	21.00	1.00
#000000	1.53	21.00	1.00	21.00
##FFFFFF	13.70	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00317C

Deuteranopia (green-blind)

#002977

Tritanopia (blue-blind)

#003849

Achromatopsia (no color)

#2D2D2D

Design tokens & code

CSS

--color: #231e79;
/* rgb */ color: rgb(35, 30, 121);
/* oklch */ color: oklch(31.3% 0.147 276.1);

Tailwind

colors: {
  custom: {
    50: '#6c5ba1',
    500: '#231e79',
    950: '#000000',
  },
}

SCSS

$custom: #231e79;
$custom-light: #6c5ba1;
$custom-dark: #000000;

JSON

{
  "hex": "#231e79",
  "rgb": {
    "r": 35,
    "g": 30,
    "b": 121
  },
  "hsl": {
    "h": 243.297,
    "s": 60.265,
    "l": 29.608
  },
  "oklch": {
    "l": 0.31282,
    "c": 0.14746,
    "h": 276.1
  },
  "luminance": 0.02666
}

Semantic roles & 50–950 ramp

primary

#231E79

secondary

#A7AD46

accent

#E344DB

background

#F6F5FA

surface

#ECE9F3

border

#C7C5CD

text

#08040F

muted

#7A797F

Preview Lab

Preview with #231E79

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

Preview Lab → · Contrast checker → · Palette generator →