#281690#281690

#281690 is a dark, vivid blue. Relative luminance 0.030; OKLCH L 33.2% C 0.182 H 276.5°. Best body text is #FFFFFF at 13.06:1 contrast (WCAG AA passes).

Color values

HEX	#281690
RGB	rgb(40, 22, 144)
HSL	hsl(249, 73%, 33%)
HSV	hsv(249, 85%, 56%)
CMYK	cmyk(72.2%, 84.7%, 0%, 43.5%)
CIE-LAB	lab(20.20, 45.20, -62.68)
CIE-LCH	lch(20.20, 77.28, 305.79°)
OKLab	oklab(33.24% 0.0207 -0.1811)
OKLCH	oklch(33.24% 0.182 276.5)
XYZ	xyz(6.1944, 3.0380, 26.6401)
Luminance	0.0304 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#281690 #7E9016

analogous

#164190 #281690 #651690

triadic

#281690 #902816 #169028

tetradic

#281690 #901641 #7E9016 #169065

square

#281690 #901641 #7E9016 #169065

split-complementary

#281690 #906516 #419016

monochromatic

#0B0626 #190E5B #281690 #371EC5 #573FE2

Accessibility & contrast

On white

13.06

#281690 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.61

#281690 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #281690

13.06:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##281690	#FFFFFF	#000000	##FFFFFF
##281690	1.00	13.06	1.61	13.06
#FFFFFF	13.06	1.00	21.00	1.00
#000000	1.61	21.00	1.00	21.00
##FFFFFF	13.06	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003693

Deuteranopia (green-blind)

#002B8E

Tritanopia (blue-blind)

#003D55

Achromatopsia (no color)

#313131

Design tokens & code

CSS

--color: #281690;
/* rgb */ color: rgb(40, 22, 144);
/* oklch */ color: oklch(33.2% 0.182 276.5);

Tailwind

colors: {
  custom: {
    50: '#7458b2',
    500: '#281690',
    950: '#000000',
  },
}

SCSS

$custom: #281690;
$custom-light: #7458b2;
$custom-dark: #000000;

JSON

{
  "hex": "#281690",
  "rgb": {
    "r": 40,
    "g": 22,
    "b": 144
  },
  "hsl": {
    "h": 248.852,
    "s": 73.494,
    "l": 32.549
  },
  "oklch": {
    "l": 0.33236,
    "c": 0.18232,
    "h": 276.5
  },
  "luminance": 0.03039
}

Semantic roles & 50–950 ramp

primary

#281690

secondary

#AFC240

accent

#F038D5

background

#F7F5FB

surface

#EEE9F6

border

#C9C5D0

text

#0A0411

muted

#7C7980

Preview Lab

Preview with #281690

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

Preview Lab → · Contrast checker → · Palette generator →