#281D67#281D67

#281D67 is a dark, vivid blue. Relative luminance 0.023; OKLCH L 29.7% C 0.123 H 282.7°. Best body text is #FFFFFF at 14.37:1 contrast (WCAG AA passes).

Color values

HEX	#281D67
RGB	rgb(40, 29, 103)
HSL	hsl(249, 56%, 26%)
HSV	hsv(249, 72%, 40%)
CMYK	cmyk(61.2%, 71.8%, 0%, 59.6%)
CIE-LAB	lab(17.03, 28.02, -41.73)
CIE-LCH	lch(17.03, 50.26, 303.88°)
OKLab	oklab(29.68% 0.027 -0.1201)
OKLCH	oklch(29.68% 0.123 282.7)
XYZ	xyz(3.7619, 2.3089, 13.0768)
Luminance	0.0231 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#281D67 #5C671D

analogous

#1D3767 #281D67 #4D1D67

triadic

#281D67 #67281D #1D6728

tetradic

#281D67 #671D37 #5C671D #1D674D

square

#281D67 #671D37 #5C671D #1D674D

split-complementary

#281D67 #674D1D #37671D

monochromatic

#090718 #151037 #281D67 #3B2A97 #4D38C7

Accessibility & contrast

On white

14.37

#281D67 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.46

#281D67 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #281D67

14.37:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##281D67	#FFFFFF	#000000	##FFFFFF
##281D67	1.00	14.37	1.46	14.37
#FFFFFF	14.37	1.00	21.00	1.00
#000000	1.46	21.00	1.00	21.00
##FFFFFF	14.37	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#002C69

Deuteranopia (green-blind)

#002766

Tritanopia (blue-blind)

#05303F

Achromatopsia (no color)

#2A2A2A

Design tokens & code

CSS

--color: #281d67;
/* rgb */ color: rgb(40, 29, 103);
/* oklch */ color: oklch(29.7% 0.123 282.7);

Tailwind

colors: {
  custom: {
    50: '#6a5a93',
    500: '#281d67',
    950: '#000000',
  },
}

SCSS

$custom: #281d67;
$custom-light: #6a5a93;
$custom-dark: #000000;

JSON

{
  "hex": "#281d67",
  "rgb": {
    "r": 40,
    "g": 29,
    "b": 103
  },
  "hsl": {
    "h": 248.919,
    "s": 56.061,
    "l": 25.882
  },
  "oklch": {
    "l": 0.29675,
    "c": 0.12309,
    "h": 282.7
  },
  "luminance": 0.02309
}

Semantic roles & 50–950 ramp

primary

#281D67

secondary

#8F9C44

accent

#DF48C9

background

#F6F5F9

surface

#EBE9F1

border

#C6C5CB

text

#07040D

muted

#7A797E

Preview Lab

Preview with #281D67

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

Preview Lab → · Contrast checker → · Palette generator →