#281D98#281D98

#281D98 is a dark, vivid blue. Relative luminance 0.036; OKLCH L 35.0% C 0.186 H 274.8°. Best body text is #FFFFFF at 12.21:1 contrast (WCAG AA passes).

Color values

HEX	#281D98
RGB	rgb(40, 29, 152)
HSL	hsl(245, 68%, 35%)
HSV	hsv(245, 81%, 60%)
CMYK	cmyk(73.7%, 80.9%, 0%, 40.4%)
CIE-LAB	lab(22.29, 44.35, -64.16)
CIE-LCH	lch(22.29, 78.00, 304.65°)
OKLab	oklab(34.96% 0.0157 -0.1855)
OKLCH	oklch(34.96% 0.186 274.8)
XYZ	xyz(6.9801, 3.5962, 30.0259)
Luminance	0.0360 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#281D98 #8D981D

analogous

#1D4F98 #281D98 #651D98

triadic

#281D98 #98281D #1D9828

tetradic

#281D98 #981D4F #8D981D #1D9865

square

#281D98 #981D4F #8D981D #1D9865

split-complementary

#281D98 #98651D #4F981D

monochromatic

#0D0931 #1A1365 #281D98 #3627CB #5E52DE

Accessibility & contrast

On white

12.21

#281D98 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.72

#281D98 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #281D98

12.21:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##281D98	#FFFFFF	#000000	##FFFFFF
##281D98	1.00	12.21	1.72	12.21
#FFFFFF	12.21	1.00	21.00	1.00
#000000	1.72	21.00	1.00	21.00
##FFFFFF	12.21	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003B9B

Deuteranopia (green-blind)

#003096

Tritanopia (blue-blind)

#00435B

Achromatopsia (no color)

#353535

Design tokens & code

CSS

--color: #281d98;
/* rgb */ color: rgb(40, 29, 152);
/* oklch */ color: oklch(35.0% 0.186 274.8);

Tailwind

colors: {
  custom: {
    50: '#755db8',
    500: '#281d98',
    950: '#000000',
  },
}

SCSS

$custom: #281d98;
$custom-light: #755db8;
$custom-dark: #000000;

JSON

{
  "hex": "#281d98",
  "rgb": {
    "r": 40,
    "g": 29,
    "b": 152
  },
  "hsl": {
    "h": 245.366,
    "s": 67.956,
    "l": 35.49
  },
  "oklch": {
    "l": 0.34961,
    "c": 0.18621,
    "h": 274.8
  },
  "luminance": 0.03597
}

Semantic roles & 50–950 ramp

primary

#281D98

secondary

#B7C150

accent

#EB3DDB

background

#F7F5FB

surface

#EEE9F6

border

#C9C5D0

text

#0A0411

muted

#7C7980

Preview Lab

Preview with #281D98

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

Preview Lab → · Contrast checker → · Palette generator →