#281785#281785

#281785 is a dark, vivid blue. Relative luminance 0.028; OKLCH L 32.1% C 0.168 H 278.1°. Best body text is #FFFFFF at 13.54:1 contrast (WCAG AA passes).

Color values

HEX	#281785
RGB	rgb(40, 23, 133)
HSL	hsl(249, 71%, 31%)
HSV	hsv(249, 83%, 52%)
CMYK	cmyk(69.9%, 82.7%, 0%, 47.8%)
CIE-LAB	lab(19.04, 41.33, -57.70)
CIE-LCH	lch(19.04, 70.98, 305.61°)
OKLab	oklab(32.06% 0.0237 -0.1667)
OKLCH	oklch(32.06% 0.168 278.1)
XYZ	xyz(5.4137, 2.7569, 22.4326)
Luminance	0.0276 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#281785 #748517

analogous

#173D85 #281785 #5F1785

triadic

#281785 #852817 #178528

tetradic

#281785 #85173D #748517 #17855F

square

#281785 #85173D #748517 #17855F

split-complementary

#281785 #855F17 #3D8517

monochromatic

#09051D #180E51 #281785 #3820B9 #533ADD

Accessibility & contrast

On white

13.54

#281785 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.55

#281785 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #281785

13.54:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##281785	#FFFFFF	#000000	##FFFFFF
##281785	1.00	13.54	1.55	13.54
#FFFFFF	13.54	1.00	21.00	1.00
#000000	1.55	21.00	1.00	21.00
##FFFFFF	13.54	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003288

Deuteranopia (green-blind)

#002A83

Tritanopia (blue-blind)

#00394F

Achromatopsia (no color)

#2E2E2E

Design tokens & code

CSS

--color: #281785;
/* rgb */ color: rgb(40, 23, 133);
/* oklch */ color: oklch(32.1% 0.168 278.1);

Tailwind

colors: {
  custom: {
    50: '#7158aa',
    500: '#281785',
    950: '#000000',
  },
}

SCSS

$custom: #281785;
$custom-light: #7158aa;
$custom-dark: #000000;

JSON

{
  "hex": "#281785",
  "rgb": {
    "r": 40,
    "g": 23,
    "b": 133
  },
  "hsl": {
    "h": 249.273,
    "s": 70.513,
    "l": 30.588
  },
  "oklch": {
    "l": 0.32057,
    "c": 0.16837,
    "h": 278.1
  },
  "luminance": 0.02757
}

Semantic roles & 50–950 ramp

primary

#281785

secondary

#A6B93F

accent

#ED3BD2

background

#F7F5FA

surface

#EDE9F4

border

#C8C5CE

text

#090310

muted

#7B787F

Preview Lab

Preview with #281785

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

Preview Lab → · Contrast checker → · Palette generator →