#282F9C#282F9C

#282F9C is a dark, vivid blue. Relative luminance 0.049; OKLCH L 38.0% C 0.173 H 272.0°. Best body text is #FFFFFF at 10.62:1 contrast (WCAG AA passes).

Color values

HEX	#282F9C
RGB	rgb(40, 47, 156)
HSL	hsl(236, 59%, 38%)
HSV	hsv(236, 74%, 61%)
CMYK	cmyk(74.4%, 69.9%, 0%, 38.8%)
CIE-LAB	lab(26.40, 35.36, -59.83)
CIE-LCH	lch(26.40, 69.50, 300.58°)
OKLab	oklab(38.01% 0.0059 -0.1731)
OKLCH	oklch(38.01% 0.173 272)
XYZ	xyz(7.8903, 4.8836, 31.9728)
Luminance	0.0488 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#282F9C #9C9528

analogous

#28699C #282F9C #5B289C

triadic

#282F9C #9C282F #2F9C28

tetradic

#282F9C #9C2869 #9C9528 #289C5B

square

#282F9C #9C2869 #9C9528 #289C5B

split-complementary

#282F9C #9C5B28 #699C28

monochromatic

#0F123B #1C206B #282F9C #363FCB #676DD8

Accessibility & contrast

On white

10.62

#282F9C on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.98

#282F9C on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #282F9C

10.62:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##282F9C	#FFFFFF	#000000	##FFFFFF
##282F9C	1.00	10.62	1.98	10.62
#FFFFFF	10.62	1.00	21.00	1.00
#000000	1.98	21.00	1.00	21.00
##FFFFFF	10.62	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00449F

Deuteranopia (green-blind)

#00399A

Tritanopia (blue-blind)

#004D61

Achromatopsia (no color)

#3E3E3E

Design tokens & code

CSS

--color: #282f9c;
/* rgb */ color: rgb(40, 47, 156);
/* oklch */ color: oklch(38.0% 0.173 272.0);

Tailwind

colors: {
  custom: {
    50: '#7468ba',
    500: '#282f9c',
    950: '#000000',
  },
}

SCSS

$custom: #282f9c;
$custom-light: #7468ba;
$custom-dark: #000000;

JSON

{
  "hex": "#282f9c",
  "rgb": {
    "r": 40,
    "g": 47,
    "b": 156
  },
  "hsl": {
    "h": 236.379,
    "s": 59.184,
    "l": 38.431
  },
  "oklch": {
    "l": 0.38008,
    "c": 0.17316,
    "h": 272
  },
  "luminance": 0.04884
}

Semantic roles & 50–950 ramp

primary

#282F9C

secondary

#BEB862

accent

#D945E2

background

#F7F6FB

surface

#EEEBF6

border

#C9C6D0

text

#0A0612

muted

#7C7A81

Preview Lab

Preview with #282F9C

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

Preview Lab → · Contrast checker → · Palette generator →