#281A87#281A87

#281A87 is a dark, vivid blue. Relative luminance 0.029; OKLCH L 32.6% C 0.168 H 277.4°. Best body text is #FFFFFF at 13.23:1 contrast (WCAG AA passes).

Color values

HEX	#281A87
RGB	rgb(40, 26, 135)
HSL	hsl(248, 68%, 32%)
HSV	hsv(248, 81%, 53%)
CMYK	cmyk(70.4%, 80.7%, 0%, 47.1%)
CIE-LAB	lab(19.80, 40.45, -57.72)
CIE-LCH	lch(19.80, 70.48, 305.02°)
OKLab	oklab(32.65% 0.0216 -0.1668)
OKLCH	oklch(32.65% 0.168 277.4)
XYZ	xyz(5.6162, 2.9387, 23.1882)
Luminance	0.0294 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#281A87 #79871A

analogous

#1A4387 #281A87 #5F1A87

triadic

#281A87 #87281A #1A8728

tetradic

#281A87 #871A43 #79871A #1A875F

square

#281A87 #871A43 #79871A #1A875F

split-complementary

#281A87 #875F1A #43871A

monochromatic

#0A0620 #191054 #281A87 #3724BA #5541DA

Accessibility & contrast

On white

13.23

#281A87 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.59

#281A87 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #281A87

13.23:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##281A87	#FFFFFF	#000000	##FFFFFF
##281A87	1.00	13.23	1.59	13.23
#FFFFFF	13.23	1.00	21.00	1.00
#000000	1.59	21.00	1.00	21.00
##FFFFFF	13.23	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00348A

Deuteranopia (green-blind)

#002B85

Tritanopia (blue-blind)

#003B50

Achromatopsia (no color)

#303030

Design tokens & code

CSS

--color: #281a87;
/* rgb */ color: rgb(40, 26, 135);
/* oklch */ color: oklch(32.6% 0.168 277.4);

Tailwind

colors: {
  custom: {
    50: '#715aab',
    500: '#281a87',
    950: '#000000',
  },
}

SCSS

$custom: #281a87;
$custom-light: #715aab;
$custom-dark: #000000;

JSON

{
  "hex": "#281a87",
  "rgb": {
    "r": 40,
    "g": 26,
    "b": 135
  },
  "hsl": {
    "h": 247.706,
    "s": 67.702,
    "l": 31.569
  },
  "oklch": {
    "l": 0.32649,
    "c": 0.16817,
    "h": 277.4
  },
  "luminance": 0.02939
}

Semantic roles & 50–950 ramp

primary

#281A87

secondary

#ABBA42

accent

#EB3DD4

background

#F7F5FA

surface

#EDE9F4

border

#C8C5CE

text

#090410

muted

#7B797F

Preview Lab

Preview with #281A87

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

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