#231D50#231D50

#231D50 is a dark, moderate blue. Relative luminance 0.018; OKLCH L 27.1% C 0.090 H 284.0°. Best body text is #FFFFFF at 15.41:1 contrast (WCAG AA passes).

Color values

HEX	#231D50
RGB	rgb(35, 29, 80)
HSL	hsl(247, 47%, 21%)
HSV	hsv(247, 64%, 31%)
CMYK	cmyk(56.3%, 63.7%, 0%, 68.6%)
CIE-LAB	lab(14.49, 18.86, -30.51)
CIE-LCH	lch(14.49, 35.87, 301.73°)
OKLab	oklab(27.06% 0.0217 -0.0873)
OKLCH	oklch(27.06% 0.09 284)
XYZ	xyz(2.5800, 1.8151, 7.8023)
Luminance	0.0181 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#231D50 #4A501D

analogous

#1D3150 #231D50 #3D1D50

triadic

#231D50 #50231D #1D5023

tetradic

#231D50 #501D31 #4A501D #1D503D

square

#231D50 #501D31 #4A501D #1D503D

split-complementary

#231D50 #503D1D #31501D

monochromatic

#0A0816 #0F0D23 #231D50 #372D7D #4A3EAA

Accessibility & contrast

On white

15.41

#231D50 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.36

#231D50 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #231D50

15.41:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##231D50	#FFFFFF	#000000	##FFFFFF
##231D50	1.00	15.41	1.36	15.41
#FFFFFF	15.41	1.00	21.00	1.00
#000000	1.36	21.00	1.00	21.00
##FFFFFF	15.41	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#002652

Deuteranopia (green-blind)

#00234F

Tritanopia (blue-blind)

#112933

Achromatopsia (no color)

#252525

Design tokens & code

CSS

--color: #231d50;
/* rgb */ color: rgb(35, 29, 80);
/* oklch */ color: oklch(27.1% 0.090 284.0);

Tailwind

colors: {
  custom: {
    50: '#625981',
    500: '#231d50',
    950: '#000000',
  },
}

SCSS

$custom: #231d50;
$custom-light: #625981;
$custom-dark: #000000;

JSON

{
  "hex": "#231d50",
  "rgb": {
    "r": 35,
    "g": 29,
    "b": 80
  },
  "hsl": {
    "h": 247.059,
    "s": 46.789,
    "l": 21.373
  },
  "oklch": {
    "l": 0.27058,
    "c": 0.08997,
    "h": 284
  },
  "luminance": 0.01815
}

Semantic roles & 50–950 ramp

primary

#231D50

secondary

#7E8544

accent

#D651C7

background

#F6F5F7

surface

#EBE9EE

border

#C6C5C9

text

#05030A

muted

#7A787C

Preview Lab

Preview with #231D50

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

Preview Lab → · Contrast checker → · Palette generator →