#231E7F#231E7F

#231E7F is a dark, vivid blue. Relative luminance 0.028; OKLCH L 31.9% C 0.155 H 275.3°. Best body text is #FFFFFF at 13.43:1 contrast (WCAG AA passes).

Color values

HEX	#231E7F
RGB	rgb(35, 30, 127)
HSL	hsl(243, 62%, 31%)
HSV	hsv(243, 76%, 50%)
CMYK	cmyk(72.4%, 76.4%, 0%, 50.2%)
CIE-LAB	lab(19.30, 35.03, -53.50)
CIE-LCH	lch(19.30, 63.95, 303.22°)
OKLab	oklab(31.93% 0.0144 -0.1547)
OKLCH	oklch(31.93% 0.155 275.3)
XYZ	xyz(4.9869, 2.8177, 20.3556)
Luminance	0.0282 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#231E7F #7A7F1E

analogous

#1E497F #231E7F #531E7F

triadic

#231E7F #7F231E #1E7F23

tetradic

#231E7F #7F1E49 #7A7F1E #1E7F53

square

#231E7F #7F1E49 #7A7F1E #1E7F53

split-complementary

#231E7F #7F531E #497F1E

monochromatic

#08071C #15124D #231E7F #312AB1 #4C44D3

Accessibility & contrast

On white

13.43

#231E7F on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.56

#231E7F on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #231E7F

13.43:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##231E7F	#FFFFFF	#000000	##FFFFFF
##231E7F	1.00	13.43	1.56	13.43
#FFFFFF	13.43	1.00	21.00	1.00
#000000	1.56	21.00	1.00	21.00
##FFFFFF	13.43	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003382

Deuteranopia (green-blind)

#002A7D

Tritanopia (blue-blind)

#003A4D

Achromatopsia (no color)

#2F2F2F

Design tokens & code

CSS

--color: #231e7f;
/* rgb */ color: rgb(35, 30, 127);
/* oklch */ color: oklch(31.9% 0.155 275.3);

Tailwind

colors: {
  custom: {
    50: '#6d5ba5',
    500: '#231e7f',
    950: '#000000',
  },
}

SCSS

$custom: #231e7f;
$custom-light: #6d5ba5;
$custom-dark: #000000;

JSON

{
  "hex": "#231e7f",
  "rgb": {
    "r": 35,
    "g": 30,
    "b": 127
  },
  "hsl": {
    "h": 243.093,
    "s": 61.783,
    "l": 30.784
  },
  "oklch": {
    "l": 0.31934,
    "c": 0.15534,
    "h": 275.3
  },
  "luminance": 0.02818
}

Semantic roles & 50–950 ramp

primary

#231E7F

secondary

#ADB247

accent

#E543DD

background

#F7F5FA

surface

#EDE9F4

border

#C8C5CE

text

#08040F

muted

#7B797F

Preview Lab

Preview with #231E7F

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

Preview Lab → · Contrast checker → · Palette generator →