#281A84#281A84

#281A84 is a dark, vivid blue. Relative luminance 0.029; OKLCH L 32.3% C 0.164 H 277.9°. Best body text is #FFFFFF at 13.37:1 contrast (WCAG AA passes).

Color values

HEX	#281A84
RGB	rgb(40, 26, 132)
HSL	hsl(248, 67%, 31%)
HSV	hsv(248, 80%, 52%)
CMYK	cmyk(69.7%, 80.3%, 0%, 48.2%)
CIE-LAB	lab(19.46, 39.49, -56.39)
CIE-LCH	lch(19.46, 68.84, 305.00°)
OKLab	oklab(32.31% 0.0225 -0.1629)
OKLCH	oklch(32.31% 0.164 277.9)
XYZ	xyz(5.4080, 2.8554, 22.0915)
Luminance	0.0286 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#281A84 #76841A

analogous

#1A4184 #281A84 #5D1A84

triadic

#281A84 #84281A #1A8428

tetradic

#281A84 #841A41 #76841A #1A845D

square

#281A84 #841A41 #76841A #1A845D

split-complementary

#281A84 #845D1A #41841A

monochromatic

#09061E #191051 #281A84 #3724B7 #543FD9

Accessibility & contrast

On white

13.37

#281A84 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.57

#281A84 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #281A84

13.37:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##281A84	#FFFFFF	#000000	##FFFFFF
##281A84	1.00	13.37	1.57	13.37
#FFFFFF	13.37	1.00	21.00	1.00
#000000	1.57	21.00	1.00	21.00
##FFFFFF	13.37	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003387

Deuteranopia (green-blind)

#002B82

Tritanopia (blue-blind)

#003A4F

Achromatopsia (no color)

#2F2F2F

Design tokens & code

CSS

--color: #281a84;
/* rgb */ color: rgb(40, 26, 132);
/* oklch */ color: oklch(32.3% 0.164 277.9);

Tailwind

colors: {
  custom: {
    50: '#7159a9',
    500: '#281a84',
    950: '#000000',
  },
}

SCSS

$custom: #281a84;
$custom-light: #7159a9;
$custom-dark: #000000;

JSON

{
  "hex": "#281a84",
  "rgb": {
    "r": 40,
    "g": 26,
    "b": 132
  },
  "hsl": {
    "h": 247.925,
    "s": 67.089,
    "l": 30.98
  },
  "oklch": {
    "l": 0.3231,
    "c": 0.16446,
    "h": 277.9
  },
  "luminance": 0.02856
}

Semantic roles & 50–950 ramp

primary

#281A84

secondary

#A8B842

accent

#EA3ED3

background

#F7F5FA

surface

#EDE9F4

border

#C8C5CE

text

#090410

muted

#7B797F

Preview Lab

Preview with #281A84

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

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