#281A92#281A92

#281A92 is a dark, vivid blue. Relative luminance 0.033; OKLCH L 33.9% C 0.182 H 275.9°. Best body text is #FFFFFF at 12.70:1 contrast (WCAG AA passes).

Color values

HEX	#281A92
RGB	rgb(40, 26, 146)
HSL	hsl(247, 70%, 34%)
HSV	hsv(247, 82%, 57%)
CMYK	cmyk(72.6%, 82.2%, 0%, 42.7%)
CIE-LAB	lab(21.07, 43.94, -62.47)
CIE-LCH	lch(21.07, 76.38, 305.12°)
OKLab	oklab(33.91% 0.0185 -0.1806)
OKLCH	oklch(33.91% 0.182 275.9)
XYZ	xyz(6.4311, 3.2646, 27.4798)
Luminance	0.0326 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#281A92 #84921A

analogous

#1A4892 #281A92 #641A92

triadic

#281A92 #92281A #1A9228

tetradic

#281A92 #921A48 #84921A #1A9264

square

#281A92 #921A48 #84921A #1A9264

split-complementary

#281A92 #92641A #48921A

monochromatic

#0C072A #1A115E #281A92 #3623C6 #5A48DE

Accessibility & contrast

On white

12.70

#281A92 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.65

#281A92 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #281A92

12.70:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##281A92	#FFFFFF	#000000	##FFFFFF
##281A92	1.00	12.70	1.65	12.70
#FFFFFF	12.70	1.00	21.00	1.00
#000000	1.65	21.00	1.00	21.00
##FFFFFF	12.70	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003895

Deuteranopia (green-blind)

#002D90

Tritanopia (blue-blind)

#003F57

Achromatopsia (no color)

#333333

Design tokens & code

CSS

--color: #281a92;
/* rgb */ color: rgb(40, 26, 146);
/* oklch */ color: oklch(33.9% 0.182 275.9);

Tailwind

colors: {
  custom: {
    50: '#745ab3',
    500: '#281a92',
    950: '#000000',
  },
}

SCSS

$custom: #281a92;
$custom-light: #745ab3;
$custom-dark: #000000;

JSON

{
  "hex": "#281a92",
  "rgb": {
    "r": 40,
    "g": 26,
    "b": 146
  },
  "hsl": {
    "h": 247,
    "s": 69.767,
    "l": 33.725
  },
  "oklch": {
    "l": 0.33912,
    "c": 0.18154,
    "h": 275.9
  },
  "luminance": 0.03265
}

Semantic roles & 50–950 ramp

primary

#281A92

secondary

#B2C048

accent

#ED3BD8

background

#F7F5FB

surface

#EEE9F6

border

#C9C5D0

text

#0A0411

muted

#7C7980

Preview Lab

Preview with #281A92

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

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