#282F7A#282F7A

#282F7A is a dark, vivid blue. Relative luminance 0.039; OKLCH L 34.8% C 0.126 H 273.8°. Best body text is #FFFFFF at 11.81:1 contrast (WCAG AA passes).

Color values

HEX	#282F7A
RGB	rgb(40, 47, 122)
HSL	hsl(235, 51%, 32%)
HSV	hsv(235, 67%, 48%)
CMYK	cmyk(67.2%, 61.5%, 0%, 52.2%)
CIE-LAB	lab(23.30, 22.86, -43.76)
CIE-LCH	lch(23.30, 49.37, 297.58°)
OKLab	oklab(34.79% 0.0083 -0.126)
OKLCH	oklch(34.79% 0.126 273.8)
XYZ	xyz(5.4033, 3.8888, 18.8745)
Luminance	0.0389 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#282F7A #7A7328

analogous

#28587A #282F7A #4A287A

triadic

#282F7A #7A282F #2F7A28

tetradic

#282F7A #7A2858 #7A7328 #287A4A

square

#282F7A #7A2858 #7A7328 #287A4A

split-complementary

#282F7A #7A4A28 #587A28

monochromatic

#0A0B1E #191D4C #282F7A #3741A8 #555FC7

Accessibility & contrast

On white

11.81

#282F7A on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.78

#282F7A on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #282F7A

11.81:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##282F7A	#FFFFFF	#000000	##FFFFFF
##282F7A	1.00	11.81	1.78	11.81
#FFFFFF	11.81	1.00	21.00	1.00
#000000	1.78	21.00	1.00	21.00
##FFFFFF	11.81	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003B7C

Deuteranopia (green-blind)

#003479

Tritanopia (blue-blind)

#00414F

Achromatopsia (no color)

#383838

Design tokens & code

CSS

--color: #282f7a;
/* rgb */ color: rgb(40, 47, 122);
/* oklch */ color: oklch(34.8% 0.126 273.8);

Tailwind

colors: {
  custom: {
    50: '#6c67a1',
    500: '#282f7a',
    950: '#000000',
  },
}

SCSS

$custom: #282f7a;
$custom-light: #6c67a1;
$custom-dark: #000000;

JSON

{
  "hex": "#282f7a",
  "rgb": {
    "r": 40,
    "g": 47,
    "b": 122
  },
  "hsl": {
    "h": 234.878,
    "s": 50.617,
    "l": 31.765
  },
  "oklch": {
    "l": 0.34786,
    "c": 0.12624,
    "h": 273.8
  },
  "luminance": 0.03889
}

Semantic roles & 50–950 ramp

primary

#282F7A

secondary

#ACA452

accent

#CE4EDA

background

#F6F6FA

surface

#ECEBF3

border

#C7C6CD

text

#08060F

muted

#7A7A7F

Preview Lab

Preview with #282F7A

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

Preview Lab → · Contrast checker → · Palette generator →