#231D65#231D65

#231D65 is a dark, vivid blue. Relative luminance 0.022; OKLCH L 29.0% C 0.121 H 279.4°. Best body text is #FFFFFF at 14.63:1 contrast (WCAG AA passes).

Color values

HEX	#231D65
RGB	rgb(35, 29, 101)
HSL	hsl(245, 55%, 25%)
HSV	hsv(245, 71%, 40%)
CMYK	cmyk(65.3%, 71.3%, 0%, 60.4%)
CIE-LAB	lab(16.38, 26.46, -41.49)
CIE-LCH	lch(16.38, 49.21, 302.53°)
OKLab	oklab(29.03% 0.0199 -0.1196)
OKLCH	oklch(29.03% 0.121 279.4)
XYZ	xyz(3.4807, 2.1754, 12.5459)
Luminance	0.0218 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#231D65 #5F651D

analogous

#1D3B65 #231D65 #471D65

triadic

#231D65 #65231D #1D6523

tetradic

#231D65 #651D3B #5F651D #1D6547

square

#231D65 #651D3B #5F651D #1D6547

split-complementary

#231D65 #65471D #3B651D

monochromatic

#080718 #130F35 #231D65 #332B95 #4438C4

Accessibility & contrast

On white

14.63

#231D65 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.44

#231D65 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #231D65

14.63:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##231D65	#FFFFFF	#000000	##FFFFFF
##231D65	1.00	14.63	1.44	14.63
#FFFFFF	14.63	1.00	21.00	1.00
#000000	1.44	21.00	1.00	21.00
##FFFFFF	14.63	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#002B67

Deuteranopia (green-blind)

#002664

Tritanopia (blue-blind)

#00303E

Achromatopsia (no color)

#292929

Design tokens & code

CSS

--color: #231d65;
/* rgb */ color: rgb(35, 29, 101);
/* oklch */ color: oklch(29.0% 0.121 279.4);

Tailwind

colors: {
  custom: {
    50: '#675992',
    500: '#231d65',
    950: '#000000',
  },
}

SCSS

$custom: #231d65;
$custom-light: #675992;
$custom-dark: #000000;

JSON

{
  "hex": "#231d65",
  "rgb": {
    "r": 35,
    "g": 29,
    "b": 101
  },
  "hsl": {
    "h": 245,
    "s": 55.385,
    "l": 25.49
  },
  "oklch": {
    "l": 0.29034,
    "c": 0.12121,
    "h": 279.4
  },
  "luminance": 0.02176
}

Semantic roles & 50–950 ramp

primary

#231D65

secondary

#939A44

accent

#DF49D2

background

#F6F5F9

surface

#EBE9F1

border

#C6C5CB

text

#06030D

muted

#7A787E

Preview Lab

Preview with #231D65

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

Preview Lab → · Contrast checker → · Palette generator →