#28516B#28516B

#28516B is a dark, moderate cyan. Relative luminance 0.074; OKLCH L 41.7% C 0.063 H 238.6°. Best body text is #FFFFFF at 8.47:1 contrast (WCAG AA passes).

Color values

HEX	#28516B
RGB	rgb(40, 81, 107)
HSL	hsl(203, 46%, 29%)
HSV	hsv(203, 63%, 42%)
CMYK	cmyk(62.6%, 24.3%, 0%, 58%)
CIE-LAB	lab(32.69, -5.73, -19.32)
CIE-LCH	lch(32.69, 20.16, 253.48°)
OKLab	oklab(41.72% -0.033 -0.0541)
OKLCH	oklch(41.72% 0.063 238.6)
XYZ	xyz(6.4703, 7.3969, 14.9938)
Luminance	0.0740 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#28516B #6B4228

analogous

#286B64 #28516B #28306B

triadic

#28516B #6B2851 #516B28

tetradic

#28516B #64286B #6B4228 #306B28

square

#28516B #64286B #6B4228 #306B28

split-complementary

#28516B #6B2830 #6B6428

monochromatic

#081116 #172F3E #28516B #397398 #5093BE

Accessibility & contrast

On white

8.47

#28516B on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.48

#28516B on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #28516B

8.47:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##28516B	#FFFFFF	#000000	##FFFFFF
##28516B	1.00	8.47	2.48	8.47
#FFFFFF	8.47	1.00	21.00	1.00
#000000	2.48	21.00	1.00	21.00
##FFFFFF	8.47	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#45516C

Deuteranopia (green-blind)

#3C4A6B

Tritanopia (blue-blind)

#00585A

Achromatopsia (no color)

#4D4D4D

Design tokens & code

CSS

--color: #28516b;
/* rgb */ color: rgb(40, 81, 107);
/* oklch */ color: oklch(41.7% 0.063 238.6);

Tailwind

colors: {
  custom: {
    50: '#698195',
    500: '#28516b',
    950: '#000000',
  },
}

SCSS

$custom: #28516b;
$custom-light: #698195;
$custom-dark: #000000;

JSON

{
  "hex": "#28516b",
  "rgb": {
    "r": 40,
    "g": 81,
    "b": 107
  },
  "hsl": {
    "h": 203.284,
    "s": 45.578,
    "l": 28.824
  },
  "oklch": {
    "l": 0.4172,
    "c": 0.06338,
    "h": 238.6
  },
  "luminance": 0.07398
}

Semantic roles & 50–950 ramp

primary

#28516B

secondary

#9D6F51

accent

#8553D5

background

#F6F7F9

surface

#EBEEF1

border

#C6C9CB

text

#070A0D

muted

#7A7C7E

Preview Lab

Preview with #28516B

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

Preview Lab → · Contrast checker → · Palette generator →