#282F9D#282F9D

#282F9D is a dark, vivid blue. Relative luminance 0.049; OKLCH L 38.1% C 0.174 H 271.9°. Best body text is #FFFFFF at 10.59:1 contrast (WCAG AA passes).

Color values

HEX	#282F9D
RGB	rgb(40, 47, 157)
HSL	hsl(236, 59%, 39%)
HSV	hsv(236, 75%, 62%)
CMYK	cmyk(74.5%, 70.1%, 0%, 38.4%)
CIE-LAB	lab(26.50, 35.71, -60.28)
CIE-LCH	lch(26.50, 70.06, 300.65°)
OKLab	oklab(38.11% 0.0058 -0.1744)
OKLCH	oklch(38.11% 0.174 271.9)
XYZ	xyz(7.9753, 4.9176, 32.4206)
Luminance	0.0492 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#282F9D #9D9628

analogous

#28699D #282F9D #5B289D

triadic

#282F9D #9D282F #2F9D28

tetradic

#282F9D #9D2869 #9D9628 #289D5B

square

#282F9D #9D2869 #9D9628 #289D5B

split-complementary

#282F9D #9D5B28 #699D28

monochromatic

#0F123B #1C206C #282F9D #363FCC #676ED8

Accessibility & contrast

On white

10.59

#282F9D on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.98

#282F9D on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #282F9D

10.59:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##282F9D	#FFFFFF	#000000	##FFFFFF
##282F9D	1.00	10.59	1.98	10.59
#FFFFFF	10.59	1.00	21.00	1.00
#000000	1.98	21.00	1.00	21.00
##FFFFFF	10.59	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0044A0

Deuteranopia (green-blind)

#00399B

Tritanopia (blue-blind)

#004D62

Achromatopsia (no color)

#3F3F3F

Design tokens & code

CSS

--color: #282f9d;
/* rgb */ color: rgb(40, 47, 157);
/* oklch */ color: oklch(38.1% 0.174 271.9);

Tailwind

colors: {
  custom: {
    50: '#7568bb',
    500: '#282f9d',
    950: '#000000',
  },
}

SCSS

$custom: #282f9d;
$custom-light: #7568bb;
$custom-dark: #000000;

JSON

{
  "hex": "#282f9d",
  "rgb": {
    "r": 40,
    "g": 47,
    "b": 157
  },
  "hsl": {
    "h": 236.41,
    "s": 59.391,
    "l": 38.627
  },
  "oklch": {
    "l": 0.38109,
    "c": 0.17447,
    "h": 271.9
  },
  "luminance": 0.04918
}

Semantic roles & 50–950 ramp

primary

#282F9D

secondary

#BEB962

accent

#D945E3

background

#F7F6FB

surface

#EEEBF6

border

#C9C6D0

text

#0A0612

muted

#7C7A81

Preview Lab

Preview with #282F9D

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

Preview Lab → · Contrast checker → · Palette generator →