#28405A#28405A

#28405A is a dark, muted cyan. Relative luminance 0.049; OKLCH L 36.4% C 0.054 H 251.4°. Best body text is #FFFFFF at 10.65:1 contrast (WCAG AA passes).

Color values

HEX	#28405A
RGB	rgb(40, 64, 90)
HSL	hsl(211, 38%, 25%)
HSV	hsv(211, 56%, 35%)
CMYK	cmyk(55.6%, 28.9%, 0%, 64.7%)
CIE-LAB	lab(26.32, -0.82, -18.36)
CIE-LCH	lch(26.32, 18.38, 267.45°)
OKLab	oklab(36.42% -0.0173 -0.0514)
OKLCH	oklch(36.42% 0.054 251.4)
XYZ	xyz(4.5533, 4.8557, 10.3682)
Luminance	0.0486 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#28405A #5A4228

analogous

#28595A #28405A #29285A

triadic

#28405A #5A2840 #405A28

tetradic

#28405A #5A2859 #5A4228 #285A29

square

#28405A #5A2859 #5A4228 #285A29

split-complementary

#28405A #5A2928 #595A28

monochromatic

#090F15 #152230 #28405A #3B5E84 #4E7CAF

Accessibility & contrast

On white

10.65

#28405A on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.97

#28405A on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #28405A

10.65:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##28405A	#FFFFFF	#000000	##FFFFFF
##28405A	1.00	10.65	1.97	10.65
#FFFFFF	10.65	1.00	21.00	1.00
#000000	1.97	21.00	1.00	21.00
##FFFFFF	10.65	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#36415B

Deuteranopia (green-blind)

#2F3C59

Tritanopia (blue-blind)

#0E4649

Achromatopsia (no color)

#3E3E3E

Design tokens & code

CSS

--color: #28405a;
/* rgb */ color: rgb(40, 64, 90);
/* oklch */ color: oklch(36.4% 0.054 251.4);

Tailwind

colors: {
  custom: {
    50: '#667488',
    500: '#28405a',
    950: '#000000',
  },
}

SCSS

$custom: #28405a;
$custom-light: #667488;
$custom-dark: #000000;

JSON

{
  "hex": "#28405a",
  "rgb": {
    "r": 40,
    "g": 64,
    "b": 90
  },
  "hsl": {
    "h": 211.2,
    "s": 38.462,
    "l": 25.49
  },
  "oklch": {
    "l": 0.36421,
    "c": 0.05429,
    "h": 251.4
  },
  "luminance": 0.04856
}

Semantic roles & 50–950 ramp

primary

#28405A

secondary

#8D7051

accent

#9659CE

background

#F6F7F8

surface

#EBEDF0

border

#C6C8CB

text

#06080B

muted

#7A7B7C

Preview Lab

Preview with #28405A

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

Preview Lab → · Contrast checker → · Palette generator →