#28313E#28313E

#28313E is a dark, muted blue. Relative luminance 0.030; OKLCH L 31.0% C 0.027 H 257.5°. Best body text is #FFFFFF at 13.13:1 contrast (WCAG AA passes).

Color values

HEX	#28313E
RGB	rgb(40, 49, 62)
HSL	hsl(215, 22%, 20%)
HSV	hsv(215, 35%, 24%)
CMYK	cmyk(35.5%, 21%, 0%, 75.7%)
CIE-LAB	lab(20.03, -0.08, -9.43)
CIE-LCH	lch(20.03, 9.44, 269.51°)
OKLab	oklab(31.04% -0.0057 -0.0259)
OKLCH	oklch(31.04% 0.027 257.5)
XYZ	xyz(2.8426, 2.9954, 4.9849)
Luminance	0.0300 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#28313E #3E3528

analogous

#283C3E #28313E #2A283E

triadic

#28313E #3E2831 #313E28

tetradic

#28313E #3E283C #3E3528 #283E2A

square

#28313E #3E283C #3E3528 #283E2A

split-complementary

#28313E #3E2A28 #3C3E28

monochromatic

#0C0F13 #101419 #28313E #404E63 #586C88

Accessibility & contrast

On white

13.13

#28313E on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.60

#28313E on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #28313E

13.13:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##28313E	#FFFFFF	#000000	##FFFFFF
##28313E	1.00	13.13	1.60	13.13
#FFFFFF	13.13	1.00	21.00	1.00
#000000	1.60	21.00	1.00	21.00
##FFFFFF	13.13	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#2C323F

Deuteranopia (green-blind)

#2A2F3E

Tritanopia (blue-blind)

#223435

Achromatopsia (no color)

#303030

Design tokens & code

CSS

--color: #28313e;
/* rgb */ color: rgb(40, 49, 62);
/* oklch */ color: oklch(31.0% 0.027 257.5);

Tailwind

colors: {
  custom: {
    50: '#626973',
    500: '#28313e',
    950: '#000000',
  },
}

SCSS

$custom: #28313e;
$custom-light: #626973;
$custom-dark: #000000;

JSON

{
  "hex": "#28313e",
  "rgb": {
    "r": 40,
    "g": 49,
    "b": 62
  },
  "hsl": {
    "h": 215.455,
    "s": 21.569,
    "l": 20
  },
  "oklch": {
    "l": 0.31044,
    "c": 0.02658,
    "h": 257.5
  },
  "luminance": 0.02996
}

Semantic roles & 50–950 ramp

primary

#28313E

secondary

#706452

accent

#9C6ABE

background

#F5F6F6

surface

#EAEBEC

border

#C6C6C7

text

#050608

muted

#797A7B

Preview Lab

Preview with #28313E

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

Preview Lab → · Contrast checker → · Palette generator →