#281F96#281F96

#281F96 is a dark, vivid blue. Relative luminance 0.036; OKLCH L 35.0% C 0.182 H 274.8°. Best body text is #FFFFFF at 12.16:1 contrast (WCAG AA passes).

Color values

HEX	#281F96
RGB	rgb(40, 31, 150)
HSL	hsl(245, 66%, 35%)
HSV	hsv(245, 79%, 59%)
CMYK	cmyk(73.3%, 79.3%, 0%, 41.2%)
CIE-LAB	lab(22.42, 42.67, -62.72)
CIE-LCH	lch(22.42, 75.86, 304.23°)
OKLab	oklab(34.98% 0.0153 -0.1814)
OKLCH	oklch(34.98% 0.182 274.8)
XYZ	xyz(6.8683, 3.6324, 29.1874)
Luminance	0.0363 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#281F96 #8D961F

analogous

#1F5196 #281F96 #631F96

triadic

#281F96 #96281F #1F9628

tetradic

#281F96 #961F51 #8D961F #1F9663

square

#281F96 #961F51 #8D961F #1F9663

split-complementary

#281F96 #96631F #51961F

monochromatic

#0D0A31 #1A1563 #281F96 #3629C9 #5E54DC

Accessibility & contrast

On white

12.16

#281F96 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.73

#281F96 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #281F96

12.16:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##281F96	#FFFFFF	#000000	##FFFFFF
##281F96	1.00	12.16	1.73	12.16
#FFFFFF	12.16	1.00	21.00	1.00
#000000	1.73	21.00	1.00	21.00
##FFFFFF	12.16	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003B99

Deuteranopia (green-blind)

#003094

Tritanopia (blue-blind)

#00435A

Achromatopsia (no color)

#363636

Design tokens & code

CSS

--color: #281f96;
/* rgb */ color: rgb(40, 31, 150);
/* oklch */ color: oklch(35.0% 0.182 274.8);

Tailwind

colors: {
  custom: {
    50: '#745db6',
    500: '#281f96',
    950: '#000000',
  },
}

SCSS

$custom: #281f96;
$custom-light: #745db6;
$custom-dark: #000000;

JSON

{
  "hex": "#281f96",
  "rgb": {
    "r": 40,
    "g": 31,
    "b": 150
  },
  "hsl": {
    "h": 244.538,
    "s": 65.746,
    "l": 35.49
  },
  "oklch": {
    "l": 0.34984,
    "c": 0.18203,
    "h": 274.8
  },
  "luminance": 0.03633
}

Semantic roles & 50–950 ramp

primary

#281F96

secondary

#B7BF52

accent

#E93FDC

background

#F7F5FB

surface

#EEE9F6

border

#C9C5D0

text

#0A0411

muted

#7C7980

Preview Lab

Preview with #281F96

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

Preview Lab → · Contrast checker → · Palette generator →