#281EA8#281EA8

#281EA8 is a dark, highly saturated blue. Relative luminance 0.042; OKLCH L 36.9% C 0.204 H 273.1°. Best body text is #FFFFFF at 11.40:1 contrast (WCAG AA passes).

Color values

HEX	#281EA8
RGB	rgb(40, 30, 168)
HSL	hsl(244, 70%, 39%)
HSV	hsv(244, 82%, 66%)
CMYK	cmyk(76.2%, 82.1%, 0%, 34.1%)
CIE-LAB	lab(24.34, 48.88, -70.52)
CIE-LCH	lch(24.34, 85.80, 304.72°)
OKLab	oklab(36.93% 0.0112 -0.204)
OKLCH	oklch(36.93% 0.204 273.1)
XYZ	xyz(8.4049, 4.2059, 37.4071)
Luminance	0.0421 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#281EA8 #9EA81E

analogous

#1E59A8 #281EA8 #6D1EA8

triadic

#281EA8 #A8281E #1EA828

tetradic

#281EA8 #A81E59 #9EA81E #1EA86D

square

#281EA8 #A81E59 #9EA81E #1EA86D

split-complementary

#281EA8 #A86D1E #59A81E

monochromatic

#0F0B40 #1C1574 #281EA8 #372AD9 #685EE2

Accessibility & contrast

On white

11.40

#281EA8 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.84

#281EA8 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #281EA8

11.40:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##281EA8	#FFFFFF	#000000	##FFFFFF
##281EA8	1.00	11.40	1.84	11.40
#FFFFFF	11.40	1.00	21.00	1.00
#000000	1.84	21.00	1.00	21.00
##FFFFFF	11.40	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0040AC

Deuteranopia (green-blind)

#0033A6

Tritanopia (blue-blind)

#004A64

Achromatopsia (no color)

#3A3A3A

Design tokens & code

CSS

--color: #281ea8;
/* rgb */ color: rgb(40, 30, 168);
/* oklch */ color: oklch(36.9% 0.204 273.1);

Tailwind

colors: {
  custom: {
    50: '#795ec3',
    500: '#281ea8',
    950: '#000000',
  },
}

SCSS

$custom: #281ea8;
$custom-light: #795ec3;
$custom-dark: #000000;

JSON

{
  "hex": "#281ea8",
  "rgb": {
    "r": 40,
    "g": 30,
    "b": 168
  },
  "hsl": {
    "h": 244.348,
    "s": 69.697,
    "l": 38.824
  },
  "oklch": {
    "l": 0.36934,
    "c": 0.20432,
    "h": 273.1
  },
  "luminance": 0.04207
}

Semantic roles & 50–950 ramp

primary

#281EA8

secondary

#BFC75B

accent

#ED3BE0

background

#F8F5FC

surface

#EFE9F8

border

#CAC5D1

text

#0B0513

muted

#7C7982

Preview Lab

Preview with #281EA8

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

Preview Lab → · Contrast checker → · Palette generator →