#281890#281890

#281890 is a dark, vivid blue. Relative luminance 0.031; OKLCH L 33.5% C 0.181 H 276.3°. Best body text is #FFFFFF at 12.93:1 contrast (WCAG AA passes).

Color values

HEX	#281890
RGB	rgb(40, 24, 144)
HSL	hsl(248, 71%, 33%)
HSV	hsv(248, 83%, 56%)
CMYK	cmyk(72.2%, 83.3%, 0%, 43.5%)
CIE-LAB	lab(20.51, 44.28, -62.17)
CIE-LCH	lch(20.51, 76.32, 305.46°)
OKLab	oklab(33.45% 0.0199 -0.1797)
OKLCH	oklch(33.45% 0.181 276.3)
XYZ	xyz(6.2341, 3.1174, 26.6533)
Luminance	0.0312 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#281890 #809018

analogous

#184490 #281890 #641890

triadic

#281890 #902818 #189028

tetradic

#281890 #901844 #809018 #189064

square

#281890 #901844 #809018 #189064

split-complementary

#281890 #906418 #449018

monochromatic

#0B0727 #190F5C #281890 #3721C4 #5843E0

Accessibility & contrast

On white

12.93

#281890 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.62

#281890 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #281890

12.93:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##281890	#FFFFFF	#000000	##FFFFFF
##281890	1.00	12.93	1.62	12.93
#FFFFFF	12.93	1.00	21.00	1.00
#000000	1.62	21.00	1.00	21.00
##FFFFFF	12.93	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003693

Deuteranopia (green-blind)

#002C8E

Tritanopia (blue-blind)

#003E55

Achromatopsia (no color)

#313131

Design tokens & code

CSS

--color: #281890;
/* rgb */ color: rgb(40, 24, 144);
/* oklch */ color: oklch(33.5% 0.181 276.3);

Tailwind

colors: {
  custom: {
    50: '#7459b2',
    500: '#281890',
    950: '#000000',
  },
}

SCSS

$custom: #281890;
$custom-light: #7459b2;
$custom-dark: #000000;

JSON

{
  "hex": "#281890",
  "rgb": {
    "r": 40,
    "g": 24,
    "b": 144
  },
  "hsl": {
    "h": 248,
    "s": 71.429,
    "l": 32.941
  },
  "oklch": {
    "l": 0.33451,
    "c": 0.18077,
    "h": 276.3
  },
  "luminance": 0.03118
}

Semantic roles & 50–950 ramp

primary

#281890

secondary

#B0C043

accent

#EE3AD6

background

#F7F5FB

surface

#EEE9F6

border

#C9C5D0

text

#0A0411

muted

#7C7980

Preview Lab

Preview with #281890

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

Preview Lab → · Contrast checker → · Palette generator →