#281A76#281A76

#281A76 is a dark, vivid blue. Relative luminance 0.025; OKLCH L 30.8% C 0.147 H 280.3°. Best body text is #FFFFFF at 14.00:1 contrast (WCAG AA passes).

Color values

HEX	#281A76
RGB	rgb(40, 26, 118)
HSL	hsl(249, 64%, 28%)
HSV	hsv(249, 78%, 46%)
CMYK	cmyk(66.1%, 78%, 0%, 53.7%)
CIE-LAB	lab(17.91, 34.91, -50.03)
CIE-LCH	lch(17.91, 61.00, 304.90°)
OKLab	oklab(30.76% 0.0262 -0.1444)
OKLCH	oklch(30.76% 0.147 280.3)
XYZ	xyz(4.5134, 2.4976, 17.3803)
Luminance	0.0250 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#281A76 #68761A

analogous

#1A3A76 #281A76 #561A76

triadic

#281A76 #76281A #1A7628

tetradic

#281A76 #761A3A #68761A #1A7656

square

#281A76 #761A3A #68761A #1A7656

split-complementary

#281A76 #76561A #3A761A

monochromatic

#080619 #170F44 #281A76 #3925A8 #4F37D3

Accessibility & contrast

On white

14.00

#281A76 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.50

#281A76 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #281A76

14.00:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##281A76	#FFFFFF	#000000	##FFFFFF
##281A76	1.00	14.00	1.50	14.00
#FFFFFF	14.00	1.00	21.00	1.00
#000000	1.50	21.00	1.00	21.00
##FFFFFF	14.00	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#002F79

Deuteranopia (green-blind)

#002874

Tritanopia (blue-blind)

#003447

Achromatopsia (no color)

#2C2C2C

Design tokens & code

CSS

--color: #281a76;
/* rgb */ color: rgb(40, 26, 118);
/* oklch */ color: oklch(30.8% 0.147 280.3);

Tailwind

colors: {
  custom: {
    50: '#6d599e',
    500: '#281a76',
    950: '#000000',
  },
}

SCSS

$custom: #281a76;
$custom-light: #6d599e;
$custom-dark: #000000;

JSON

{
  "hex": "#281a76",
  "rgb": {
    "r": 40,
    "g": 26,
    "b": 118
  },
  "hsl": {
    "h": 249.13,
    "s": 63.889,
    "l": 28.235
  },
  "oklch": {
    "l": 0.30763,
    "c": 0.14674,
    "h": 280.3
  },
  "luminance": 0.02498
}

Semantic roles & 50–950 ramp

primary

#281A76

secondary

#9BAB41

accent

#E741CE

background

#F7F5F9

surface

#EDE9F2

border

#C8C5CC

text

#08030F

muted

#7B787E

Preview Lab

Preview with #281A76

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

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