#281EA9#281EA9

#281EA9 is a dark, highly saturated blue. Relative luminance 0.042; OKLCH L 37.1% C 0.205 H 273.0°. Best body text is #FFFFFF at 11.36:1 contrast (WCAG AA passes).

Color values

HEX	#281EA9
RGB	rgb(40, 30, 169)
HSL	hsl(244, 70%, 39%)
HSV	hsv(244, 82%, 66%)
CMYK	cmyk(76.3%, 82.2%, 0%, 33.7%)
CIE-LAB	lab(24.46, 49.19, -70.93)
CIE-LCH	lch(24.46, 86.31, 304.74°)
OKLab	oklab(37.05% 0.0109 -0.2052)
OKLCH	oklch(37.05% 0.205 273)
XYZ	xyz(8.4984, 4.2433, 37.8996)
Luminance	0.0424 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#281EA9 #9FA91E

analogous

#1E59A9 #281EA9 #6E1EA9

triadic

#281EA9 #A9281E #1EA928

tetradic

#281EA9 #A91E59 #9FA91E #1EA96E

square

#281EA9 #A91E59 #9FA91E #1EA96E

split-complementary

#281EA9 #A96E1E #59A91E

monochromatic

#0F0C41 #1C1575 #281EA9 #372BD9 #685FE3

Accessibility & contrast

On white

11.36

#281EA9 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.85

#281EA9 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #281EA9

11.36:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##281EA9	#FFFFFF	#000000	##FFFFFF
##281EA9	1.00	11.36	1.85	11.36
#FFFFFF	11.36	1.00	21.00	1.00
#000000	1.85	21.00	1.00	21.00
##FFFFFF	11.36	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0040AD

Deuteranopia (green-blind)

#0033A7

Tritanopia (blue-blind)

#004A65

Achromatopsia (no color)

#3A3A3A

Design tokens & code

CSS

--color: #281ea9;
/* rgb */ color: rgb(40, 30, 169);
/* oklch */ color: oklch(37.1% 0.205 273.0);

Tailwind

colors: {
  custom: {
    50: '#795ec4',
    500: '#281ea9',
    950: '#000000',
  },
}

SCSS

$custom: #281ea9;
$custom-light: #795ec4;
$custom-dark: #000000;

JSON

{
  "hex": "#281ea9",
  "rgb": {
    "r": 40,
    "g": 30,
    "b": 169
  },
  "hsl": {
    "h": 244.317,
    "s": 69.849,
    "l": 39.02
  },
  "oklch": {
    "l": 0.37051,
    "c": 0.20548,
    "h": 273
  },
  "luminance": 0.04244
}

Semantic roles & 50–950 ramp

primary

#281EA9

secondary

#BFC75C

accent

#ED3BE0

background

#F8F5FC

surface

#EFE9F8

border

#CAC5D1

text

#0B0513

muted

#7C7982

Preview Lab

Preview with #281EA9

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

Preview Lab → · Contrast checker → · Palette generator →