#28293B#28293B

#28293B is a dark, muted blue. Relative luminance 0.024; OKLCH L 28.8% C 0.033 H 281.6°. Best body text is #FFFFFF at 14.28:1 contrast (WCAG AA passes).

Color values

HEX	#28293B
RGB	rgb(40, 41, 59)
HSL	hsl(237, 19%, 19%)
HSV	hsv(237, 32%, 23%)
CMYK	cmyk(32.2%, 30.5%, 0%, 76.9%)
CIE-LAB	lab(17.24, 4.57, -11.64)
CIE-LCH	lch(17.24, 12.51, 291.44°)
OKLab	oklab(28.82% 0.0066 -0.0322)
OKLCH	oklch(28.82% 0.033 281.6)
XYZ	xyz(2.4572, 2.3527, 4.4615)
Luminance	0.0235 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#28293B #3B3A28

analogous

#28333B #28293B #31283B

triadic

#28293B #3B2829 #293B28

tetradic

#28293B #3B2833 #3B3A28 #283B31

square

#28293B #3B2833 #3B3A28 #283B31

split-complementary

#28293B #3B3128 #333B28

monochromatic

#0C0D12 #0F1017 #28293B #41425F #595C84

Accessibility & contrast

On white

14.28

#28293B on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.47

#28293B on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #28293B

14.28:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##28293B	#FFFFFF	#000000	##FFFFFF
##28293B	1.00	14.28	1.47	14.28
#FFFFFF	14.28	1.00	21.00	1.00
#000000	1.47	21.00	1.00	21.00
##FFFFFF	14.28	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#242B3C

Deuteranopia (green-blind)

#232A3B

Tritanopia (blue-blind)

#232C2F

Achromatopsia (no color)

#2A2A2A

Design tokens & code

CSS

--color: #28293b;
/* rgb */ color: rgb(40, 41, 59);
/* oklch */ color: oklch(28.8% 0.033 281.6);

Tailwind

colors: {
  custom: {
    50: '#626271',
    500: '#28293b',
    950: '#000000',
  },
}

SCSS

$custom: #28293b;
$custom-light: #626271;
$custom-dark: #000000;

JSON

{
  "hex": "#28293b",
  "rgb": {
    "r": 40,
    "g": 41,
    "b": 59
  },
  "hsl": {
    "h": 236.842,
    "s": 19.192,
    "l": 19.412
  },
  "oklch": {
    "l": 0.28824,
    "c": 0.03284,
    "h": 281.6
  },
  "luminance": 0.02353
}

Semantic roles & 50–950 ramp

primary

#28293B

secondary

#6C6B53

accent

#B86CBC

background

#F5F5F6

surface

#EAEAEC

border

#C6C6C7

text

#050507

muted

#79797A

Preview Lab

Preview with #28293B

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

Preview Lab → · Contrast checker → · Palette generator →