#2A283F#2A283F

#2A283F is a dark, muted blue. Relative luminance 0.024; OKLCH L 29.0% C 0.042 H 287.5°. Best body text is #FFFFFF at 14.25:1 contrast (WCAG AA passes).

Color values

HEX	#2A283F
RGB	rgb(42, 40, 63)
HSL	hsl(245, 22%, 20%)
HSV	hsv(245, 37%, 25%)
CMYK	cmyk(33.3%, 36.5%, 0%, 75.3%)
CIE-LAB	lab(17.31, 7.27, -14.28)
CIE-LCH	lch(17.31, 16.03, 296.96°)
OKLab	oklab(29% 0.0125 -0.0397)
OKLCH	oklch(29% 0.042 287.5)
XYZ	xyz(2.6106, 2.3686, 5.0213)
Luminance	0.0237 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2A283F #3D3F28

analogous

#28313F #2A283F #35283F

triadic

#2A283F #3F2A28 #283F2A

tetradic

#2A283F #3F2831 #3D3F28 #283F35

square

#2A283F #3F2831 #3D3F28 #283F35

split-complementary

#2A283F #3F3528 #313F28

monochromatic

#0C0C13 #11101A #2A283F #434064 #5C588A

Accessibility & contrast

On white

14.25

#2A283F on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.47

#2A283F on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2A283F

14.25:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2A283F	#FFFFFF	#000000	##FFFFFF
##2A283F	1.00	14.25	1.47	14.25
#FFFFFF	14.25	1.00	21.00	1.00
#000000	1.47	21.00	1.00	21.00
##FFFFFF	14.25	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#222B40

Deuteranopia (green-blind)

#212A3E

Tritanopia (blue-blind)

#252C30

Achromatopsia (no color)

#2B2B2B

Design tokens & code

CSS

--color: #2a283f;
/* rgb */ color: rgb(42, 40, 63);
/* oklch */ color: oklch(29.0% 0.042 287.5);

Tailwind

colors: {
  custom: {
    50: '#646174',
    500: '#2a283f',
    950: '#000000',
  },
}

SCSS

$custom: #2a283f;
$custom-light: #646174;
$custom-dark: #000000;

JSON

{
  "hex": "#2a283f",
  "rgb": {
    "r": 42,
    "g": 40,
    "b": 63
  },
  "hsl": {
    "h": 245.217,
    "s": 22.33,
    "l": 20.196
  },
  "oklch": {
    "l": 0.28997,
    "c": 0.0416,
    "h": 287.5
  },
  "luminance": 0.02369
}

Semantic roles & 50–950 ramp

primary

#2A283F

secondary

#6E7152

accent

#BF69B7

background

#F6F5F7

surface

#EBE9ED

border

#C6C5C8

text

#050508

muted

#7A797B

Preview Lab

Preview with #2A283F

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

Preview Lab → · Contrast checker → · Palette generator →