#231D62#231D62

#231D62 is a dark, moderate blue. Relative luminance 0.021; OKLCH L 28.7% C 0.117 H 280.0°. Best body text is #FFFFFF at 14.75:1 contrast (WCAG AA passes).

Color values

HEX	#231D62
RGB	rgb(35, 29, 98)
HSL	hsl(245, 54%, 25%)
HSV	hsv(245, 70%, 38%)
CMYK	cmyk(64.3%, 70.4%, 0%, 61.6%)
CIE-LAB	lab(16.09, 25.38, -39.98)
CIE-LCH	lch(16.09, 47.36, 302.41°)
OKLab	oklab(28.74% 0.0203 -0.1151)
OKLCH	oklch(28.74% 0.117 280)
XYZ	xyz(3.3364, 2.1177, 11.7858)
Luminance	0.0212 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#231D62 #5C621D

analogous

#1D3A62 #231D62 #451D62

triadic

#231D62 #62231D #1D6223

tetradic

#231D62 #621D3A #5C621D #1D6245

square

#231D62 #621D3A #5C621D #1D6245

split-complementary

#231D62 #62451D #3A621D

monochromatic

#080718 #120F33 #231D62 #342B91 #4539C0

Accessibility & contrast

On white

14.75

#231D62 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.42

#231D62 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #231D62

14.75:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##231D62	#FFFFFF	#000000	##FFFFFF
##231D62	1.00	14.75	1.42	14.75
#FFFFFF	14.75	1.00	21.00	1.00
#000000	1.42	21.00	1.00	21.00
##FFFFFF	14.75	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#002B64

Deuteranopia (green-blind)

#002561

Tritanopia (blue-blind)

#002F3C

Achromatopsia (no color)

#282828

Design tokens & code

CSS

--color: #231d62;
/* rgb */ color: rgb(35, 29, 98);
/* oklch */ color: oklch(28.7% 0.117 280.0);

Tailwind

colors: {
  custom: {
    50: '#66598f',
    500: '#231d62',
    950: '#000000',
  },
}

SCSS

$custom: #231d62;
$custom-light: #66598f;
$custom-dark: #000000;

JSON

{
  "hex": "#231d62",
  "rgb": {
    "r": 35,
    "g": 29,
    "b": 98
  },
  "hsl": {
    "h": 245.217,
    "s": 54.331,
    "l": 24.902
  },
  "oklch": {
    "l": 0.28735,
    "c": 0.11692,
    "h": 280
  },
  "luminance": 0.02118
}

Semantic roles & 50–950 ramp

primary

#231D62

secondary

#909744

accent

#DE4AD1

background

#F6F5F8

surface

#EBE9F0

border

#C6C5CB

text

#06030C

muted

#7A787D

Preview Lab

Preview with #231D62

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

Preview Lab → · Contrast checker → · Palette generator →