#282F91#282F91

#282F91 is a dark, vivid blue. Relative luminance 0.045; OKLCH L 36.9% C 0.159 H 272.6°. Best body text is #FFFFFF at 11.02:1 contrast (WCAG AA passes).

Color values

HEX	#282F91
RGB	rgb(40, 47, 145)
HSL	hsl(236, 57%, 36%)
HSV	hsv(236, 72%, 57%)
CMYK	cmyk(72.4%, 67.6%, 0%, 43.1%)
CIE-LAB	lab(25.34, 31.38, -54.81)
CIE-LCH	lch(25.34, 63.16, 299.79°)
OKLab	oklab(36.92% 0.0071 -0.1584)
OKLCH	oklch(36.92% 0.159 272.6)
XYZ	xyz(7.0007, 4.5278, 27.2876)
Luminance	0.0453 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#282F91 #918A28

analogous

#286491 #282F91 #562891

triadic

#282F91 #91282F #2F9128

tetradic

#282F91 #912864 #918A28 #289156

square

#282F91 #912864 #918A28 #289156

split-complementary

#282F91 #915628 #649128

monochromatic

#0E1031 #1B1F61 #282F91 #353FC1 #6068D3

Accessibility & contrast

On white

11.02

#282F91 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.91

#282F91 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #282F91

11.02:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##282F91	#FFFFFF	#000000	##FFFFFF
##282F91	1.00	11.02	1.91	11.02
#FFFFFF	11.02	1.00	21.00	1.00
#000000	1.91	21.00	1.00	21.00
##FFFFFF	11.02	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#004194

Deuteranopia (green-blind)

#00378F

Tritanopia (blue-blind)

#00495B

Achromatopsia (no color)

#3C3C3C

Design tokens & code

CSS

--color: #282f91;
/* rgb */ color: rgb(40, 47, 145);
/* oklch */ color: oklch(36.9% 0.159 272.6);

Tailwind

colors: {
  custom: {
    50: '#7268b2',
    500: '#282f91',
    950: '#000000',
  },
}

SCSS

$custom: #282f91;
$custom-light: #7268b2;
$custom-dark: #000000;

JSON

{
  "hex": "#282f91",
  "rgb": {
    "r": 40,
    "g": 47,
    "b": 145
  },
  "hsl": {
    "h": 236,
    "s": 56.757,
    "l": 36.275
  },
  "oklch": {
    "l": 0.36921,
    "c": 0.15855,
    "h": 272.6
  },
  "luminance": 0.04528
}

Semantic roles & 50–950 ramp

primary

#282F91

secondary

#B9B35C

accent

#D648E0

background

#F7F6FB

surface

#EDEBF6

border

#C8C6D0

text

#090611

muted

#7B7A80

Preview Lab

Preview with #282F91

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

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