#281E5D#281E5D

#281E5D is a dark, moderate blue. Relative luminance 0.022; OKLCH L 28.9% C 0.107 H 284.7°. Best body text is #FFFFFF at 14.64:1 contrast (WCAG AA passes).

Color values

HEX	#281E5D
RGB	rgb(40, 30, 93)
HSL	hsl(250, 51%, 24%)
HSV	hsv(250, 68%, 36%)
CMYK	cmyk(57%, 67.7%, 0%, 63.5%)
CIE-LAB	lab(16.35, 23.90, -36.22)
CIE-LCH	lch(16.35, 43.39, 303.42°)
OKLab	oklab(28.9% 0.0273 -0.1039)
OKLCH	oklch(28.9% 0.107 284.7)
XYZ	xyz(3.3145, 2.1698, 10.5980)
Luminance	0.0217 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#281E5D #535D1E

analogous

#1E345D #281E5D #481E5D

triadic

#281E5D #5D281E #1E5D28

tetradic

#281E5D #5D1E34 #535D1E #1E5D48

square

#281E5D #5D1E34 #535D1E #1E5D48

split-complementary

#281E5D #5D481E #345D1E

monochromatic

#0A0717 #140F2F #281E5D #3C2D8B #503CBA

Accessibility & contrast

On white

14.64

#281E5D on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.43

#281E5D on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #281E5D

14.64:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##281E5D	#FFFFFF	#000000	##FFFFFF
##281E5D	1.00	14.64	1.43	14.64
#FFFFFF	14.64	1.00	21.00	1.00
#000000	1.43	21.00	1.00	21.00
##FFFFFF	14.64	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#002A5F

Deuteranopia (green-blind)

#00275C

Tritanopia (blue-blind)

#122D3A

Achromatopsia (no color)

#292929

Design tokens & code

CSS

--color: #281e5d;
/* rgb */ color: rgb(40, 30, 93);
/* oklch */ color: oklch(28.9% 0.107 284.7);

Tailwind

colors: {
  custom: {
    50: '#685a8b',
    500: '#281e5d',
    950: '#000000',
  },
}

SCSS

$custom: #281e5d;
$custom-light: #685a8b;
$custom-dark: #000000;

JSON

{
  "hex": "#281e5d",
  "rgb": {
    "r": 40,
    "g": 30,
    "b": 93
  },
  "hsl": {
    "h": 249.524,
    "s": 51.22,
    "l": 24.118
  },
  "oklch": {
    "l": 0.289,
    "c": 0.10743,
    "h": 284.7
  },
  "luminance": 0.0217
}

Semantic roles & 50–950 ramp

primary

#281E5D

secondary

#869245

accent

#DB4DC4

background

#F6F5F8

surface

#EBE9F0

border

#C6C5CB

text

#06040C

muted

#7A797D

Preview Lab

Preview with #281E5D

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

Preview Lab → · Contrast checker → · Palette generator →