#281E8C#281E8C

#281E8C is a dark, vivid blue. Relative luminance 0.033; OKLCH L 33.7% C 0.171 H 276.1°. Best body text is #FFFFFF at 12.69:1 contrast (WCAG AA passes).

Color values

HEX	#281E8C
RGB	rgb(40, 30, 140)
HSL	hsl(245, 65%, 33%)
HSV	hsv(245, 79%, 55%)
CMYK	cmyk(71.4%, 78.6%, 0%, 45.1%)
CIE-LAB	lab(21.10, 39.94, -58.69)
CIE-LCH	lch(21.10, 70.99, 304.24°)
OKLab	oklab(33.73% 0.0183 -0.1696)
OKLCH	oklch(33.73% 0.171 276.1)
XYZ	xyz(6.0714, 3.2725, 25.1176)
Luminance	0.0327 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#281E8C #828C1E

analogous

#1E4B8C #281E8C #5F1E8C

triadic

#281E8C #8C281E #1E8C28

tetradic

#281E8C #8C1E4B #828C1E #1E8C5F

square

#281E8C #8C1E4B #828C1E #1E8C5F

split-complementary

#281E8C #8C5F1E #4B8C1E

monochromatic

#0B0827 #1A135A #281E8C #3629BE #594CD9

Accessibility & contrast

On white

12.69

#281E8C on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.65

#281E8C on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #281E8C

12.69:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##281E8C	#FFFFFF	#000000	##FFFFFF
##281E8C	1.00	12.69	1.65	12.69
#FFFFFF	12.69	1.00	21.00	1.00
#000000	1.65	21.00	1.00	21.00
##FFFFFF	12.69	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00378F

Deuteranopia (green-blind)

#002E8A

Tritanopia (blue-blind)

#003F54

Achromatopsia (no color)

#333333

Design tokens & code

CSS

--color: #281e8c;
/* rgb */ color: rgb(40, 30, 140);
/* oklch */ color: oklch(33.7% 0.171 276.1);

Tailwind

colors: {
  custom: {
    50: '#725caf',
    500: '#281e8c',
    950: '#000000',
  },
}

SCSS

$custom: #281e8c;
$custom-light: #725caf;
$custom-dark: #000000;

JSON

{
  "hex": "#281e8c",
  "rgb": {
    "r": 40,
    "g": 30,
    "b": 140
  },
  "hsl": {
    "h": 245.455,
    "s": 64.706,
    "l": 33.333
  },
  "oklch": {
    "l": 0.33731,
    "c": 0.17063,
    "h": 276.1
  },
  "luminance": 0.03273
}

Semantic roles & 50–950 ramp

primary

#281E8C

secondary

#B1BB4B

accent

#E840D8

background

#F7F5FA

surface

#EDE9F5

border

#C8C5CF

text

#090410

muted

#7B797F

Preview Lab

Preview with #281E8C

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

Preview Lab → · Contrast checker → · Palette generator →