#282F7D#282F7D

#282F7D is a dark, vivid blue. Relative luminance 0.040; OKLCH L 35.1% C 0.131 H 273.6°. Best body text is #FFFFFF at 11.71:1 contrast (WCAG AA passes).

Color values

HEX	#282F7D
RGB	rgb(40, 47, 125)
HSL	hsl(235, 52%, 32%)
HSV	hsv(235, 68%, 49%)
CMYK	cmyk(68%, 62.4%, 0%, 51%)
CIE-LAB	lab(23.55, 23.98, -45.24)
CIE-LCH	lch(23.55, 51.21, 297.92°)
OKLab	oklab(35.05% 0.0083 -0.1303)
OKLCH	oklch(35.05% 0.131 273.6)
XYZ	xyz(5.5920, 3.9643, 19.8686)
Luminance	0.0396 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#282F7D #7D7628

analogous

#28597D #282F7D #4C287D

triadic

#282F7D #7D282F #2F7D28

tetradic

#282F7D #7D2859 #7D7628 #287D4C

square

#282F7D #7D2859 #7D7628 #287D4C

split-complementary

#282F7D #7D4C28 #597D28

monochromatic

#0A0C20 #191E4F #282F7D #3740AB #5660C9

Accessibility & contrast

On white

11.71

#282F7D on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.79

#282F7D on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #282F7D

11.71:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##282F7D	#FFFFFF	#000000	##FFFFFF
##282F7D	1.00	11.71	1.79	11.71
#FFFFFF	11.71	1.00	21.00	1.00
#000000	1.79	21.00	1.00	21.00
##FFFFFF	11.71	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003C80

Deuteranopia (green-blind)

#00347B

Tritanopia (blue-blind)

#004251

Achromatopsia (no color)

#383838

Design tokens & code

CSS

--color: #282f7d;
/* rgb */ color: rgb(40, 47, 125);
/* oklch */ color: oklch(35.1% 0.131 273.6);

Tailwind

colors: {
  custom: {
    50: '#6d67a3',
    500: '#282f7d',
    950: '#000000',
  },
}

SCSS

$custom: #282f7d;
$custom-light: #6d67a3;
$custom-dark: #000000;

JSON

{
  "hex": "#282f7d",
  "rgb": {
    "r": 40,
    "g": 47,
    "b": 125
  },
  "hsl": {
    "h": 235.059,
    "s": 51.515,
    "l": 32.353
  },
  "oklch": {
    "l": 0.35052,
    "c": 0.1306,
    "h": 273.6
  },
  "luminance": 0.03965
}

Semantic roles & 50–950 ramp

primary

#282F7D

secondary

#AEA753

accent

#CF4DDB

background

#F6F6FA

surface

#ECEBF4

border

#C7C6CE

text

#08060F

muted

#7A7A7F

Preview Lab

Preview with #282F7D

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

Preview Lab → · Contrast checker → · Palette generator →