#281978#281978

#281978 is a dark, vivid blue. Relative luminance 0.025; OKLCH L 30.8% C 0.150 H 280.1°. Best body text is #FFFFFF at 14.00:1 contrast (WCAG AA passes).

Color values

HEX	#281978
RGB	rgb(40, 25, 120)
HSL	hsl(249, 66%, 28%)
HSV	hsv(249, 79%, 47%)
CMYK	cmyk(66.7%, 79.2%, 0%, 52.9%)
CIE-LAB	lab(17.93, 36.13, -51.28)
CIE-LCH	lch(17.93, 62.73, 305.16°)
OKLab	oklab(30.84% 0.0264 -0.148)
OKLCH	oklch(30.84% 0.15 280.1)
XYZ	xyz(4.6118, 2.5021, 18.0056)
Luminance	0.0250 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#281978 #697819

analogous

#193978 #281978 #571978

triadic

#281978 #782819 #197828

tetradic

#281978 #781939 #697819 #197857

square

#281978 #781939 #697819 #197857

split-complementary

#281978 #785719 #397819

monochromatic

#080519 #170E45 #281978 #3924AB #4F36D5

Accessibility & contrast

On white

14.00

#281978 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.50

#281978 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #281978

14.00:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##281978	#FFFFFF	#000000	##FFFFFF
##281978	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)

#002F7B

Deuteranopia (green-blind)

#002876

Tritanopia (blue-blind)

#003547

Achromatopsia (no color)

#2C2C2C

Design tokens & code

CSS

--color: #281978;
/* rgb */ color: rgb(40, 25, 120);
/* oklch */ color: oklch(30.8% 0.150 280.1);

Tailwind

colors: {
  custom: {
    50: '#6e58a0',
    500: '#281978',
    950: '#000000',
  },
}

SCSS

$custom: #281978;
$custom-light: #6e58a0;
$custom-dark: #000000;

JSON

{
  "hex": "#281978",
  "rgb": {
    "r": 40,
    "g": 25,
    "b": 120
  },
  "hsl": {
    "h": 249.474,
    "s": 65.517,
    "l": 28.431
  },
  "oklch": {
    "l": 0.30843,
    "c": 0.15035,
    "h": 280.1
  },
  "luminance": 0.02502
}

Semantic roles & 50–950 ramp

primary

#281978

secondary

#9CAD40

accent

#E83FCE

background

#F7F5FA

surface

#EDE9F3

border

#C8C5CD

text

#08030F

muted

#7B787F

Preview Lab

Preview with #281978

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

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