#28243E#28243E

#28243E is a dark, muted blue. Relative luminance 0.021; OKLCH L 27.8% C 0.047 H 290.0°. Best body text is #FFFFFF at 14.87:1 contrast (WCAG AA passes).

Color values

HEX	#28243E
RGB	rgb(40, 36, 62)
HSL	hsl(249, 27%, 19%)
HSV	hsv(249, 42%, 24%)
CMYK	cmyk(35.5%, 41.9%, 0%, 75.7%)
CIE-LAB	lab(15.80, 9.10, -15.96)
CIE-LCH	lch(15.80, 18.38, 299.69°)
OKLab	oklab(27.77% 0.0162 -0.0446)
OKLCH	oklch(27.77% 0.047 290)
XYZ	xyz(2.3752, 2.0606, 4.8291)
Luminance	0.0206 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#28243E #3A3E24

analogous

#242D3E #28243E #35243E

triadic

#28243E #3E2824 #243E28

tetradic

#28243E #3E242D #3A3E24 #243E35

square

#28243E #3E242D #3A3E24 #243E35

split-complementary

#28243E #3E3524 #2D3E24

monochromatic

#0C0B13 #0F0E17 #28243E #413A65 #5A518B

Accessibility & contrast

On white

14.87

#28243E on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.41

#28243E on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #28243E

14.87:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##28243E	#FFFFFF	#000000	##FFFFFF
##28243E	1.00	14.87	1.41	14.87
#FFFFFF	14.87	1.00	21.00	1.00
#000000	1.41	21.00	1.00	21.00
##FFFFFF	14.87	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#1C283F

Deuteranopia (green-blind)

#1D273D

Tritanopia (blue-blind)

#23292E

Achromatopsia (no color)

#272727

Design tokens & code

CSS

--color: #28243e;
/* rgb */ color: rgb(40, 36, 62);
/* oklch */ color: oklch(27.8% 0.047 290.0);

Tailwind

colors: {
  custom: {
    50: '#635e73',
    500: '#28243e',
    950: '#000000',
  },
}

SCSS

$custom: #28243e;
$custom-light: #635e73;
$custom-dark: #000000;

JSON

{
  "hex": "#28243e",
  "rgb": {
    "r": 40,
    "g": 36,
    "b": 62
  },
  "hsl": {
    "h": 249.231,
    "s": 26.531,
    "l": 19.216
  },
  "oklch": {
    "l": 0.2777,
    "c": 0.04742,
    "h": 290
  },
  "luminance": 0.02061
}

Semantic roles & 50–950 ramp

primary

#28243E

secondary

#6B714D

accent

#C365B4

background

#F5F5F7

surface

#EAE9ED

border

#C6C5C8

text

#050408

muted

#79797B

Preview Lab

Preview with #28243E

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

Preview Lab → · Contrast checker → · Palette generator →