#282D59#282D59

#282D59 is a dark, moderate blue. Relative luminance 0.030; OKLCH L 31.7% C 0.078 H 276.1°. Best body text is #FFFFFF at 13.05:1 contrast (WCAG AA passes).

Color values

HEX	#282D59
RGB	rgb(40, 45, 89)
HSL	hsl(234, 38%, 25%)
HSV	hsv(234, 55%, 35%)
CMYK	cmyk(55.1%, 49.4%, 0%, 65.1%)
CIE-LAB	lab(20.24, 11.96, -27.29)
CIE-LCH	lch(20.24, 29.80, 293.67°)
OKLab	oklab(31.7% 0.0083 -0.0776)
OKLCH	oklch(31.7% 0.078 276.1)
XYZ	xyz(3.6161, 3.0489, 9.8472)
Luminance	0.0305 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#282D59 #595428

analogous

#284559 #282D59 #3C2859

triadic

#282D59 #59282D #2D5928

tetradic

#282D59 #592845 #595428 #28593C

square

#282D59 #592845 #595428 #28593C

split-complementary

#282D59 #593C28 #455928

monochromatic

#090B15 #15182F #282D59 #3B4283 #4E58AD

Accessibility & contrast

On white

13.05

#282D59 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.61

#282D59 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #282D59

13.05:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##282D59	#FFFFFF	#000000	##FFFFFF
##282D59	1.00	13.05	1.61	13.05
#FFFFFF	13.05	1.00	21.00	1.00
#000000	1.61	21.00	1.00	21.00
##FFFFFF	13.05	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#1A335B

Deuteranopia (green-blind)

#152F58

Tritanopia (blue-blind)

#14363E

Achromatopsia (no color)

#313131

Design tokens & code

CSS

--color: #282d59;
/* rgb */ color: rgb(40, 45, 89);
/* oklch */ color: oklch(31.7% 0.078 276.1);

Tailwind

colors: {
  custom: {
    50: '#666588',
    500: '#282d59',
    950: '#000000',
  },
}

SCSS

$custom: #282d59;
$custom-light: #666588;
$custom-dark: #000000;

JSON

{
  "hex": "#282d59",
  "rgb": {
    "r": 40,
    "g": 45,
    "b": 89
  },
  "hsl": {
    "h": 233.878,
    "s": 37.984,
    "l": 25.294
  },
  "oklch": {
    "l": 0.31696,
    "c": 0.07801,
    "h": 276.1
  },
  "luminance": 0.03049
}

Semantic roles & 50–950 ramp

primary

#282D59

secondary

#8C8651

accent

#C25ACE

background

#F6F6F8

surface

#EBEBF0

border

#C6C6CB

text

#06050B

muted

#7A7A7C

Preview Lab

Preview with #282D59

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

Preview Lab → · Contrast checker → · Palette generator →