#28243D#28243D

#28243D is a dark, muted blue. Relative luminance 0.021; OKLCH L 27.7% C 0.046 H 290.4°. Best body text is #FFFFFF at 14.89:1 contrast (WCAG AA passes).

Color values

HEX	#28243D
RGB	rgb(40, 36, 61)
HSL	hsl(250, 26%, 19%)
HSV	hsv(250, 41%, 24%)
CMYK	cmyk(34.4%, 41%, 0%, 76.1%)
CIE-LAB	lab(15.75, 8.78, -15.35)
CIE-LCH	lch(15.75, 17.69, 299.78°)
OKLab	oklab(27.71% 0.0159 -0.0428)
OKLCH	oklch(27.71% 0.046 290.4)
XYZ	xyz(2.3480, 2.0497, 4.6859)
Luminance	0.0205 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#28243D #393D24

analogous

#242D3D #28243D #35243D

triadic

#28243D #3D2824 #243D28

tetradic

#28243D #3D242D #393D24 #243D35

square

#28243D #3D242D #393D24 #243D35

split-complementary

#28243D #3D3524 #2D3D24

monochromatic

#0D0B13 #0F0D17 #28243D #413B63 #5A518A

Accessibility & contrast

On white

14.89

#28243D on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.41

#28243D on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #28243D

14.89:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##28243D	#FFFFFF	#000000	##FFFFFF
##28243D	1.00	14.89	1.41	14.89
#FFFFFF	14.89	1.00	21.00	1.00
#000000	1.41	21.00	1.00	21.00
##FFFFFF	14.89	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#1D283E

Deuteranopia (green-blind)

#1D273C

Tritanopia (blue-blind)

#23282D

Achromatopsia (no color)

#272727

Design tokens & code

CSS

--color: #28243d;
/* rgb */ color: rgb(40, 36, 61);
/* oklch */ color: oklch(27.7% 0.046 290.4);

Tailwind

colors: {
  custom: {
    50: '#625e72',
    500: '#28243d',
    950: '#000000',
  },
}

SCSS

$custom: #28243d;
$custom-light: #625e72;
$custom-dark: #000000;

JSON

{
  "hex": "#28243d",
  "rgb": {
    "r": 40,
    "g": 36,
    "b": 61
  },
  "hsl": {
    "h": 249.6,
    "s": 25.773,
    "l": 19.02
  },
  "oklch": {
    "l": 0.27709,
    "c": 0.04566,
    "h": 290.4
  },
  "luminance": 0.0205
}

Semantic roles & 50–950 ramp

primary

#28243D

secondary

#6A6F4D

accent

#C266B3

background

#F5F5F6

surface

#EAE9EC

border

#C6C5C7

text

#050408

muted

#79797B

Preview Lab

Preview with #28243D

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

Preview Lab → · Contrast checker → · Palette generator →