#282F7E#282F7E

#282F7E is a dark, vivid blue. Relative luminance 0.040; OKLCH L 35.1% C 0.132 H 273.6°. Best body text is #FFFFFF at 11.68:1 contrast (WCAG AA passes).

Color values

HEX	#282F7E
RGB	rgb(40, 47, 126)
HSL	hsl(235, 52%, 33%)
HSV	hsv(235, 68%, 49%)
CMYK	cmyk(68.3%, 62.7%, 0%, 50.6%)
CIE-LAB	lab(23.64, 24.35, -45.74)
CIE-LCH	lch(23.64, 51.82, 298.03°)
OKLab	oklab(35.14% 0.0083 -0.1318)
OKLCH	oklch(35.14% 0.132 273.6)
XYZ	xyz(5.6562, 3.9900, 20.2067)
Luminance	0.0399 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#282F7E #7E7728

analogous

#285A7E #282F7E #4C287E

triadic

#282F7E #7E282F #2F7E28

tetradic

#282F7E #7E285A #7E7728 #287E4C

square

#282F7E #7E285A #7E7728 #287E4C

split-complementary

#282F7E #7E4C28 #5A7E28

monochromatic

#0B0C21 #191E50 #282F7E #3740AC #5760CA

Accessibility & contrast

On white

11.68

#282F7E on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.80

#282F7E on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #282F7E

11.68:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##282F7E	#FFFFFF	#000000	##FFFFFF
##282F7E	1.00	11.68	1.80	11.68
#FFFFFF	11.68	1.00	21.00	1.00
#000000	1.80	21.00	1.00	21.00
##FFFFFF	11.68	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003C81

Deuteranopia (green-blind)

#00347C

Tritanopia (blue-blind)

#004351

Achromatopsia (no color)

#383838

Design tokens & code

CSS

--color: #282f7e;
/* rgb */ color: rgb(40, 47, 126);
/* oklch */ color: oklch(35.1% 0.132 273.6);

Tailwind

colors: {
  custom: {
    50: '#6d67a4',
    500: '#282f7e',
    950: '#000000',
  },
}

SCSS

$custom: #282f7e;
$custom-light: #6d67a4;
$custom-dark: #000000;

JSON

{
  "hex": "#282f7e",
  "rgb": {
    "r": 40,
    "g": 47,
    "b": 126
  },
  "hsl": {
    "h": 235.116,
    "s": 51.807,
    "l": 32.549
  },
  "oklch": {
    "l": 0.35142,
    "c": 0.13204,
    "h": 273.6
  },
  "luminance": 0.03991
}

Semantic roles & 50–950 ramp

primary

#282F7E

secondary

#AFA753

accent

#D04DDB

background

#F7F6FA

surface

#EDEBF4

border

#C8C6CE

text

#08060F

muted

#7B7A7F

Preview Lab

Preview with #282F7E

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

Preview Lab → · Contrast checker → · Palette generator →