#281A85#281A85

#281A85 is a dark, vivid blue. Relative luminance 0.029; OKLCH L 32.4% C 0.166 H 277.7°. Best body text is #FFFFFF at 13.32:1 contrast (WCAG AA passes).

Color values

HEX	#281A85
RGB	rgb(40, 26, 133)
HSL	hsl(248, 67%, 31%)
HSV	hsv(248, 80%, 52%)
CMYK	cmyk(69.9%, 80.5%, 0%, 47.8%)
CIE-LAB	lab(19.57, 39.81, -56.84)
CIE-LCH	lch(19.57, 69.39, 305.01°)
OKLab	oklab(32.42% 0.0222 -0.1642)
OKLCH	oklch(32.42% 0.166 277.7)
XYZ	xyz(5.4767, 2.8829, 22.4536)
Luminance	0.0288 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#281A85 #77851A

analogous

#1A4185 #281A85 #5D1A85

triadic

#281A85 #85281A #1A8528

tetradic

#281A85 #851A41 #77851A #1A855D

square

#281A85 #851A41 #77851A #1A855D

split-complementary

#281A85 #855D1A #41851A

monochromatic

#09061F #191052 #281A85 #3724B8 #5440DA

Accessibility & contrast

On white

13.32

#281A85 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.58

#281A85 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #281A85

13.32:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##281A85	#FFFFFF	#000000	##FFFFFF
##281A85	1.00	13.32	1.58	13.32
#FFFFFF	13.32	1.00	21.00	1.00
#000000	1.58	21.00	1.00	21.00
##FFFFFF	13.32	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003488

Deuteranopia (green-blind)

#002B83

Tritanopia (blue-blind)

#003A4F

Achromatopsia (no color)

#2F2F2F

Design tokens & code

CSS

--color: #281a85;
/* rgb */ color: rgb(40, 26, 133);
/* oklch */ color: oklch(32.4% 0.166 277.7);

Tailwind

colors: {
  custom: {
    50: '#715aaa',
    500: '#281a85',
    950: '#000000',
  },
}

SCSS

$custom: #281a85;
$custom-light: #715aaa;
$custom-dark: #000000;

JSON

{
  "hex": "#281a85",
  "rgb": {
    "r": 40,
    "g": 26,
    "b": 133
  },
  "hsl": {
    "h": 247.85,
    "s": 67.296,
    "l": 31.176
  },
  "oklch": {
    "l": 0.32423,
    "c": 0.1657,
    "h": 277.7
  },
  "luminance": 0.02883
}

Semantic roles & 50–950 ramp

primary

#281A85

secondary

#A9B842

accent

#EA3ED4

background

#F7F5FA

surface

#EDE9F4

border

#C8C5CE

text

#090410

muted

#7B797F

Preview Lab

Preview with #281A85

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

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