#281B98#281B98

#281B98 is a dark, vivid blue. Relative luminance 0.035; OKLCH L 34.7% C 0.188 H 275.0°. Best body text is #FFFFFF at 12.35:1 contrast (WCAG AA passes).

Color values

HEX	#281B98
RGB	rgb(40, 27, 152)
HSL	hsl(246, 70%, 35%)
HSV	hsv(246, 82%, 60%)
CMYK	cmyk(73.7%, 82.2%, 0%, 40.4%)
CIE-LAB	lab(21.95, 45.33, -64.73)
CIE-LCH	lch(21.95, 79.02, 305.01°)
OKLab	oklab(34.73% 0.0165 -0.1871)
OKLCH	oklch(34.73% 0.188 275)
XYZ	xyz(6.9326, 3.5013, 30.0101)
Luminance	0.0350 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#281B98 #8B981B

analogous

#1B4C98 #281B98 #661B98

triadic

#281B98 #98281B #1B9828

tetradic

#281B98 #981B4C #8B981B #1B9866

square

#281B98 #981B4C #8B981B #1B9866

split-complementary

#281B98 #98661B #4C981B

monochromatic

#0D0930 #1A1264 #281B98 #3624CC #5D4EE0

Accessibility & contrast

On white

12.35

#281B98 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.70

#281B98 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #281B98

12.35:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##281B98	#FFFFFF	#000000	##FFFFFF
##281B98	1.00	12.35	1.70	12.35
#FFFFFF	12.35	1.00	21.00	1.00
#000000	1.70	21.00	1.00	21.00
##FFFFFF	12.35	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003A9B

Deuteranopia (green-blind)

#002F96

Tritanopia (blue-blind)

#00425A

Achromatopsia (no color)

#353535

Design tokens & code

CSS

--color: #281b98;
/* rgb */ color: rgb(40, 27, 152);
/* oklch */ color: oklch(34.7% 0.188 275.0);

Tailwind

colors: {
  custom: {
    50: '#755bb8',
    500: '#281b98',
    950: '#000000',
  },
}

SCSS

$custom: #281b98;
$custom-light: #755bb8;
$custom-dark: #000000;

JSON

{
  "hex": "#281b98",
  "rgb": {
    "r": 40,
    "g": 27,
    "b": 152
  },
  "hsl": {
    "h": 246.24,
    "s": 69.832,
    "l": 35.098
  },
  "oklch": {
    "l": 0.34725,
    "c": 0.18787,
    "h": 275
  },
  "luminance": 0.03502
}

Semantic roles & 50–950 ramp

primary

#281B98

secondary

#B6C24D

accent

#ED3BDA

background

#F7F5FB

surface

#EEE9F6

border

#C9C5D0

text

#0A0411

muted

#7C7980

Preview Lab

Preview with #281B98

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

Preview Lab → · Contrast checker → · Palette generator →