#281A97#281A97

#281A97 is a dark, vivid blue. Relative luminance 0.034; OKLCH L 34.5% C 0.187 H 275.2°. Best body text is #FFFFFF at 12.46:1 contrast (WCAG AA passes).

Color values

HEX	#281A97
RGB	rgb(40, 26, 151)
HSL	hsl(247, 71%, 35%)
HSV	hsv(247, 83%, 59%)
CMYK	cmyk(73.5%, 82.8%, 0%, 40.8%)
CIE-LAB	lab(21.67, 45.50, -64.58)
CIE-LCH	lch(21.67, 79.00, 305.17°)
OKLab	oklab(34.49% 0.0171 -0.1867)
OKLCH	oklch(34.49% 0.187 275.2)
XYZ	xyz(6.8285, 3.4236, 29.5731)
Luminance	0.0342 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#281A97 #89971A

analogous

#1A4B97 #281A97 #671A97

triadic

#281A97 #97281A #1A9728

tetradic

#281A97 #971A4B #89971A #1A9767

square

#281A97 #971A4B #89971A #1A9767

split-complementary

#281A97 #97671A #4B971A

monochromatic

#0C082F #1A1163 #281A97 #3623CB #5C4BE0

Accessibility & contrast

On white

12.46

#281A97 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.68

#281A97 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #281A97

12.46:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##281A97	#FFFFFF	#000000	##FFFFFF
##281A97	1.00	12.46	1.68	12.46
#FFFFFF	12.46	1.00	21.00	1.00
#000000	1.68	21.00	1.00	21.00
##FFFFFF	12.46	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00399A

Deuteranopia (green-blind)

#002E95

Tritanopia (blue-blind)

#00415A

Achromatopsia (no color)

#343434

Design tokens & code

CSS

--color: #281a97;
/* rgb */ color: rgb(40, 26, 151);
/* oklch */ color: oklch(34.5% 0.187 275.2);

Tailwind

colors: {
  custom: {
    50: '#755bb7',
    500: '#281a97',
    950: '#000000',
  },
}

SCSS

$custom: #281a97;
$custom-light: #755bb7;
$custom-dark: #000000;

JSON

{
  "hex": "#281a97",
  "rgb": {
    "r": 40,
    "g": 26,
    "b": 151
  },
  "hsl": {
    "h": 246.72,
    "s": 70.621,
    "l": 34.706
  },
  "oklch": {
    "l": 0.34495,
    "c": 0.18749,
    "h": 275.2
  },
  "luminance": 0.03424
}

Semantic roles & 50–950 ramp

primary

#281A97

secondary

#B5C24B

accent

#ED3AD9

background

#F7F5FB

surface

#EEE9F6

border

#C9C5D0

text

#0A0411

muted

#7C7980

Preview Lab

Preview with #281A97

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

Preview Lab → · Contrast checker → · Palette generator →