#282E8B#282E8B

#282E8B is a dark, vivid blue. Relative luminance 0.043; OKLCH L 36.2% C 0.152 H 273.2°. Best body text is #FFFFFF at 11.33:1 contrast (WCAG AA passes).

Color values

HEX	#282E8B
RGB	rgb(40, 46, 139)
HSL	hsl(236, 55%, 35%)
HSV	hsv(236, 71%, 55%)
CMYK	cmyk(71.2%, 66.9%, 0%, 45.5%)
CIE-LAB	lab(24.54, 29.84, -52.41)
CIE-LCH	lch(24.54, 60.31, 299.65°)
OKLab	oklab(36.16% 0.0083 -0.1514)
OKLCH	oklch(36.16% 0.152 273.2)
XYZ	xyz(6.5107, 4.2686, 24.9019)
Luminance	0.0427 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#282E8B #8B8528

analogous

#285F8B #282E8B #54288B

triadic

#282E8B #8B282E #2E8B28

tetradic

#282E8B #8B285F #8B8528 #288B54

square

#282E8B #8B285F #8B8528 #288B54

split-complementary

#282E8B #8B5428 #5F8B28

monochromatic

#0D0F2C #1A1E5B #282E8B #363EBB #5D64D0

Accessibility & contrast

On white

11.33

#282E8B on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.85

#282E8B on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #282E8B

11.33:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##282E8B	#FFFFFF	#000000	##FFFFFF
##282E8B	1.00	11.33	1.85	11.33
#FFFFFF	11.33	1.00	21.00	1.00
#000000	1.85	21.00	1.00	21.00
##FFFFFF	11.33	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003F8E

Deuteranopia (green-blind)

#003689

Tritanopia (blue-blind)

#004658

Achromatopsia (no color)

#3A3A3A

Design tokens & code

CSS

--color: #282e8b;
/* rgb */ color: rgb(40, 46, 139);
/* oklch */ color: oklch(36.2% 0.152 273.2);

Tailwind

colors: {
  custom: {
    50: '#7067ae',
    500: '#282e8b',
    950: '#000000',
  },
}

SCSS

$custom: #282e8b;
$custom-light: #7067ae;
$custom-dark: #000000;

JSON

{
  "hex": "#282e8b",
  "rgb": {
    "r": 40,
    "g": 46,
    "b": 139
  },
  "hsl": {
    "h": 236.364,
    "s": 55.307,
    "l": 35.098
  },
  "oklch": {
    "l": 0.36163,
    "c": 0.1516,
    "h": 273.2
  },
  "luminance": 0.04269
}

Semantic roles & 50–950 ramp

primary

#282E8B

secondary

#B6B059

accent

#D649DF

background

#F7F6FA

surface

#EDEBF4

border

#C8C6CE

text

#090610

muted

#7B7A7F

Preview Lab

Preview with #282E8B

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

Preview Lab → · Contrast checker → · Palette generator →