#281A82#281A82

#281A82 is a dark, vivid blue. Relative luminance 0.028; OKLCH L 32.1% C 0.162 H 278.2°. Best body text is #FFFFFF at 13.46:1 contrast (WCAG AA passes).

Color values

HEX	#281A82
RGB	rgb(40, 26, 130)
HSL	hsl(248, 67%, 31%)
HSV	hsv(248, 80%, 51%)
CMYK	cmyk(69.2%, 80%, 0%, 49%)
CIE-LAB	lab(19.23, 38.84, -55.50)
CIE-LCH	lch(19.23, 67.74, 304.98°)
OKLab	oklab(32.09% 0.023 -0.1603)
OKLCH	oklch(32.09% 0.162 278.2)
XYZ	xyz(5.2724, 2.8012, 21.3776)
Luminance	0.0280 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#281A82 #74821A

analogous

#1A4082 #281A82 #5C1A82

triadic

#281A82 #82281A #1A8228

tetradic

#281A82 #821A40 #74821A #1A825C

square

#281A82 #821A40 #74821A #1A825C

split-complementary

#281A82 #825C1A #40821A

monochromatic

#09061C #18104F #281A82 #3824B5 #533ED8

Accessibility & contrast

On white

13.46

#281A82 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.56

#281A82 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #281A82

13.46:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##281A82	#FFFFFF	#000000	##FFFFFF
##281A82	1.00	13.46	1.56	13.46
#FFFFFF	13.46	1.00	21.00	1.00
#000000	1.56	21.00	1.00	21.00
##FFFFFF	13.46	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003385

Deuteranopia (green-blind)

#002A80

Tritanopia (blue-blind)

#00394D

Achromatopsia (no color)

#2F2F2F

Design tokens & code

CSS

--color: #281a82;
/* rgb */ color: rgb(40, 26, 130);
/* oklch */ color: oklch(32.1% 0.162 278.2);

Tailwind

colors: {
  custom: {
    50: '#7059a7',
    500: '#281a82',
    950: '#000000',
  },
}

SCSS

$custom: #281a82;
$custom-light: #7059a7;
$custom-dark: #000000;

JSON

{
  "hex": "#281a82",
  "rgb": {
    "r": 40,
    "g": 26,
    "b": 130
  },
  "hsl": {
    "h": 248.077,
    "s": 66.667,
    "l": 30.588
  },
  "oklch": {
    "l": 0.32085,
    "c": 0.16197,
    "h": 278.2
  },
  "luminance": 0.02802
}

Semantic roles & 50–950 ramp

primary

#281A82

secondary

#A6B642

accent

#EA3ED3

background

#F7F5FA

surface

#EDE9F4

border

#C8C5CE

text

#090410

muted

#7B797F

Preview Lab

Preview with #281A82

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

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