#282F8E#282F8E

#282F8E is a dark, vivid blue. Relative luminance 0.044; OKLCH L 36.6% C 0.154 H 272.7°. Best body text is #FFFFFF at 11.13:1 contrast (WCAG AA passes).

Color values

HEX	#282F8E
RGB	rgb(40, 47, 142)
HSL	hsl(236, 56%, 36%)
HSV	hsv(236, 72%, 56%)
CMYK	cmyk(71.8%, 66.9%, 0%, 44.3%)
CIE-LAB	lab(25.07, 30.28, -53.41)
CIE-LCH	lch(25.07, 61.40, 299.55°)
OKLab	oklab(36.63% 0.0074 -0.1543)
OKLCH	oklch(36.63% 0.154 272.7)
XYZ	xyz(6.7724, 4.4365, 26.0854)
Luminance	0.0444 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#282F8E #8E8728

analogous

#28628E #282F8E #54288E

triadic

#282F8E #8E282F #2F8E28

tetradic

#282F8E #8E2862 #8E8728 #288E54

square

#282F8E #8E2862 #8E8728 #288E54

split-complementary

#282F8E #8E5428 #628E28

monochromatic

#0D0F2F #1B1F5E #282F8E #353FBE #5F66D2

Accessibility & contrast

On white

11.13

#282F8E on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.89

#282F8E on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #282F8E

11.13:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##282F8E	#FFFFFF	#000000	##FFFFFF
##282F8E	1.00	11.13	1.89	11.13
#FFFFFF	11.13	1.00	21.00	1.00
#000000	1.89	21.00	1.00	21.00
##FFFFFF	11.13	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#004091

Deuteranopia (green-blind)

#00378C

Tritanopia (blue-blind)

#00485A

Achromatopsia (no color)

#3B3B3B

Design tokens & code

CSS

--color: #282f8e;
/* rgb */ color: rgb(40, 47, 142);
/* oklch */ color: oklch(36.6% 0.154 272.7);

Tailwind

colors: {
  custom: {
    50: '#7167b0',
    500: '#282f8e',
    950: '#000000',
  },
}

SCSS

$custom: #282f8e;
$custom-light: #7167b0;
$custom-dark: #000000;

JSON

{
  "hex": "#282f8e",
  "rgb": {
    "r": 40,
    "g": 47,
    "b": 142
  },
  "hsl": {
    "h": 235.882,
    "s": 56.044,
    "l": 35.686
  },
  "oklch": {
    "l": 0.36631,
    "c": 0.15448,
    "h": 272.7
  },
  "luminance": 0.04437
}

Semantic roles & 50–950 ramp

primary

#282F8E

secondary

#B7B15B

accent

#D548DF

background

#F7F6FA

surface

#EDEBF5

border

#C8C6CF

text

#090611

muted

#7B7A80

Preview Lab

Preview with #282F8E

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

Preview Lab → · Contrast checker → · Palette generator →