#282F9A#282F9A

#282F9A is a dark, vivid blue. Relative luminance 0.048; OKLCH L 37.8% C 0.171 H 272.1°. Best body text is #FFFFFF at 10.70:1 contrast (WCAG AA passes).

Color values

HEX	#282F9A
RGB	rgb(40, 47, 154)
HSL	hsl(236, 59%, 38%)
HSV	hsv(236, 74%, 60%)
CMYK	cmyk(74%, 69.5%, 0%, 39.6%)
CIE-LAB	lab(26.21, 34.64, -58.93)
CIE-LCH	lch(26.21, 68.36, 300.45°)
OKLab	oklab(37.81% 0.0062 -0.1704)
OKLCH	oklch(37.81% 0.171 272.1)
XYZ	xyz(7.7224, 4.8165, 31.0883)
Luminance	0.0482 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#282F9A #9A9328

analogous

#28689A #282F9A #5A289A

triadic

#282F9A #9A282F #2F9A28

tetradic

#282F9A #9A2868 #9A9328 #289A5A

square

#282F9A #9A2868 #9A9328 #289A5A

split-complementary

#282F9A #9A5A28 #689A28

monochromatic

#0F1139 #1B2069 #282F9A #353ECA #656CD7

Accessibility & contrast

On white

10.70

#282F9A on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.96

#282F9A on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #282F9A

10.70:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##282F9A	#FFFFFF	#000000	##FFFFFF
##282F9A	1.00	10.70	1.96	10.70
#FFFFFF	10.70	1.00	21.00	1.00
#000000	1.96	21.00	1.00	21.00
##FFFFFF	10.70	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00439D

Deuteranopia (green-blind)

#003998

Tritanopia (blue-blind)

#004C60

Achromatopsia (no color)

#3E3E3E

Design tokens & code

CSS

--color: #282f9a;
/* rgb */ color: rgb(40, 47, 154);
/* oklch */ color: oklch(37.8% 0.171 272.1);

Tailwind

colors: {
  custom: {
    50: '#7468b9',
    500: '#282f9a',
    950: '#000000',
  },
}

SCSS

$custom: #282f9a;
$custom-light: #7468b9;
$custom-dark: #000000;

JSON

{
  "hex": "#282f9a",
  "rgb": {
    "r": 40,
    "g": 47,
    "b": 154
  },
  "hsl": {
    "h": 236.316,
    "s": 58.763,
    "l": 38.039
  },
  "oklch": {
    "l": 0.37808,
    "c": 0.17054,
    "h": 272.1
  },
  "luminance": 0.04817
}

Semantic roles & 50–950 ramp

primary

#282F9A

secondary

#BDB761

accent

#D846E2

background

#F7F6FB

surface

#EEEBF6

border

#C9C6D0

text

#090612

muted

#7B7A81

Preview Lab

Preview with #282F9A

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

Preview Lab → · Contrast checker → · Palette generator →