#282C5C#282C5C

#282C5C is a dark, moderate blue. Relative luminance 0.030; OKLCH L 31.7% C 0.084 H 276.9°. Best body text is #FFFFFF at 13.08:1 contrast (WCAG AA passes).

Color values

HEX	#282C5C
RGB	rgb(40, 44, 92)
HSL	hsl(235, 39%, 26%)
HSV	hsv(235, 57%, 36%)
CMYK	cmyk(56.5%, 52.2%, 0%, 63.9%)
CIE-LAB	lab(20.14, 13.77, -29.43)
CIE-LCH	lch(20.14, 32.49, 295.07°)
OKLab	oklab(31.69% 0.0101 -0.0839)
OKLCH	oklch(31.69% 0.084 276.9)
XYZ	xyz(3.7069, 3.0250, 10.5117)
Luminance	0.0302 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#282C5C #5C5828

analogous

#28465C #282C5C #3E285C

triadic

#282C5C #5C282C #2C5C28

tetradic

#282C5C #5C2846 #5C5828 #285C3E

square

#282C5C #5C2846 #5C5828 #285C3E

split-complementary

#282C5C #5C3E28 #465C28

monochromatic

#090A15 #151831 #282C5C #3B4087 #4D55B1

Accessibility & contrast

On white

13.08

#282C5C on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.61

#282C5C on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #282C5C

13.08:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##282C5C	#FFFFFF	#000000	##FFFFFF
##282C5C	1.00	13.08	1.61	13.08
#FFFFFF	13.08	1.00	21.00	1.00
#000000	1.61	21.00	1.00	21.00
##FFFFFF	13.08	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#16335E

Deuteranopia (green-blind)

#102F5B

Tritanopia (blue-blind)

#11373F

Achromatopsia (no color)

#313131

Design tokens & code

CSS

--color: #282c5c;
/* rgb */ color: rgb(40, 44, 92);
/* oklch */ color: oklch(31.7% 0.084 276.9);

Tailwind

colors: {
  custom: {
    50: '#66658a',
    500: '#282c5c',
    950: '#000000',
  },
}

SCSS

$custom: #282c5c;
$custom-light: #66658a;
$custom-dark: #000000;

JSON

{
  "hex": "#282c5c",
  "rgb": {
    "r": 40,
    "g": 44,
    "b": 92
  },
  "hsl": {
    "h": 235.385,
    "s": 39.394,
    "l": 25.882
  },
  "oklch": {
    "l": 0.3169,
    "c": 0.08447,
    "h": 276.9
  },
  "luminance": 0.03025
}

Semantic roles & 50–950 ramp

primary

#282C5C

secondary

#8F8A51

accent

#C659CF

background

#F6F6F8

surface

#EBEBF0

border

#C6C6CB

text

#06050C

muted

#7A7A7D

Preview Lab

Preview with #282C5C

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

Preview Lab → · Contrast checker → · Palette generator →