#28455F#28455F

#28455F is a dark, muted cyan. Relative luminance 0.055; OKLCH L 38.0% C 0.057 H 247.0°. Best body text is #FFFFFF at 9.97:1 contrast (WCAG AA passes).

Color values

HEX	#28455F
RGB	rgb(40, 69, 95)
HSL	hsl(208, 41%, 26%)
HSV	hsv(208, 58%, 37%)
CMYK	cmyk(57.9%, 27.4%, 0%, 62.7%)
CIE-LAB	lab(28.20, -2.34, -18.67)
CIE-LCH	lch(28.20, 18.81, 262.87°)
OKLab	oklab(37.98% -0.0222 -0.0523)
OKLCH	oklch(37.98% 0.057 247)
XYZ	xyz(5.0680, 5.5332, 11.6252)
Luminance	0.0553 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#28455F #5F4228

analogous

#285F5E #28455F #282A5F

triadic

#28455F #5F2845 #455F28

tetradic

#28455F #5E285F #5F4228 #2A5F28

square

#28455F #5E285F #5F4228 #2A5F28

split-complementary

#28455F #5F282A #5F5E28

monochromatic

#091016 #162634 #28455F #3A648A #4D84B4

Accessibility & contrast

On white

9.97

#28455F on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.11

#28455F on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #28455F

9.97:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##28455F	#FFFFFF	#000000	##FFFFFF
##28455F	1.00	9.97	2.11	9.97
#FFFFFF	9.97	1.00	21.00	1.00
#000000	2.11	21.00	1.00	21.00
##FFFFFF	9.97	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#3A4660

Deuteranopia (green-blind)

#33405E

Tritanopia (blue-blind)

#054B4E

Achromatopsia (no color)

#434343

Design tokens & code

CSS

--color: #28455f;
/* rgb */ color: rgb(40, 69, 95);
/* oklch */ color: oklch(38.0% 0.057 247.0);

Tailwind

colors: {
  custom: {
    50: '#66788c',
    500: '#28455f',
    950: '#000000',
  },
}

SCSS

$custom: #28455f;
$custom-light: #66788c;
$custom-dark: #000000;

JSON

{
  "hex": "#28455f",
  "rgb": {
    "r": 40,
    "g": 69,
    "b": 95
  },
  "hsl": {
    "h": 208.364,
    "s": 40.741,
    "l": 26.471
  },
  "oklch": {
    "l": 0.37983,
    "c": 0.05682,
    "h": 247
  },
  "luminance": 0.05534
}

Semantic roles & 50–950 ramp

primary

#28455F

secondary

#927051

accent

#9157D1

background

#F6F7F8

surface

#EBEDF0

border

#C6C8CB

text

#06090C

muted

#7A7B7D

Preview Lab

Preview with #28455F

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

Preview Lab → · Contrast checker → · Palette generator →