#281786#281786

#281786 is a dark, vivid blue. Relative luminance 0.028; OKLCH L 32.2% C 0.170 H 277.9°. Best body text is #FFFFFF at 13.49:1 contrast (WCAG AA passes).

Color values

HEX	#281786
RGB	rgb(40, 23, 134)
HSL	hsl(249, 71%, 31%)
HSV	hsv(249, 83%, 53%)
CMYK	cmyk(70.1%, 82.8%, 0%, 47.5%)
CIE-LAB	lab(19.16, 41.65, -58.14)
CIE-LCH	lch(19.16, 71.52, 305.61°)
OKLab	oklab(32.17% 0.0234 -0.168)
OKLCH	oklch(32.17% 0.17 277.9)
XYZ	xyz(5.4832, 2.7847, 22.7982)
Luminance	0.0278 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#281786 #758617

analogous

#173D86 #281786 #5F1786

triadic

#281786 #862817 #178628

tetradic

#281786 #86173D #758617 #17865F

square

#281786 #86173D #758617 #17865F

split-complementary

#281786 #865F17 #3D8617

monochromatic

#09051E #180E52 #281786 #3820BA #533ADD

Accessibility & contrast

On white

13.49

#281786 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.56

#281786 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #281786

13.49:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##281786	#FFFFFF	#000000	##FFFFFF
##281786	1.00	13.49	1.56	13.49
#FFFFFF	13.49	1.00	21.00	1.00
#000000	1.56	21.00	1.00	21.00
##FFFFFF	13.49	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003389

Deuteranopia (green-blind)

#002A84

Tritanopia (blue-blind)

#00394F

Achromatopsia (no color)

#2E2E2E

Design tokens & code

CSS

--color: #281786;
/* rgb */ color: rgb(40, 23, 134);
/* oklch */ color: oklch(32.2% 0.170 277.9);

Tailwind

colors: {
  custom: {
    50: '#7158aa',
    500: '#281786',
    950: '#000000',
  },
}

SCSS

$custom: #281786;
$custom-light: #7158aa;
$custom-dark: #000000;

JSON

{
  "hex": "#281786",
  "rgb": {
    "r": 40,
    "g": 23,
    "b": 134
  },
  "hsl": {
    "h": 249.189,
    "s": 70.701,
    "l": 30.784
  },
  "oklch": {
    "l": 0.32173,
    "c": 0.16958,
    "h": 277.9
  },
  "luminance": 0.02785
}

Semantic roles & 50–950 ramp

primary

#281786

secondary

#A7BA3F

accent

#ED3AD2

background

#F7F5FA

surface

#EDE9F4

border

#C8C5CE

text

#090310

muted

#7B787F

Preview Lab

Preview with #281786

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

Preview Lab → · Contrast checker → · Palette generator →