#28536B#28536B

#28536B is a dark, moderate cyan. Relative luminance 0.077; OKLCH L 42.2% C 0.062 H 235.3°. Best body text is #FFFFFF at 8.27:1 contrast (WCAG AA passes).

Color values

HEX	#28536B
RGB	rgb(40, 83, 107)
HSL	hsl(201, 46%, 29%)
HSV	hsv(201, 63%, 42%)
CMYK	cmyk(62.6%, 22.4%, 0%, 58%)
CIE-LAB	lab(33.35, -6.97, -18.31)
CIE-LCH	lch(33.35, 19.60, 249.16°)
OKLab	oklab(42.24% -0.0354 -0.0512)
OKLCH	oklch(42.24% 0.062 235.3)
XYZ	xyz(6.6212, 7.6985, 15.0441)
Luminance	0.0770 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#28536B #6B4028

analogous

#286B62 #28536B #28326B

triadic

#28536B #6B2853 #536B28

tetradic

#28536B #62286B #6B4028 #326B28

square

#28536B #62286B #6B4028 #326B28

split-complementary

#28536B #6B2832 #6B6228

monochromatic

#081116 #17303E #28536B #397698 #5096BE

Accessibility & contrast

On white

8.27

#28536B on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.54

#28536B on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #28536B

8.27:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##28536B	#FFFFFF	#000000	##FFFFFF
##28536B	1.00	8.27	2.54	8.27
#FFFFFF	8.27	1.00	21.00	1.00
#000000	2.54	21.00	1.00	21.00
##FFFFFF	8.27	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#48526C

Deuteranopia (green-blind)

#3E4B6B

Tritanopia (blue-blind)

#00595B

Achromatopsia (no color)

#4E4E4E

Design tokens & code

CSS

--color: #28536b;
/* rgb */ color: rgb(40, 83, 107);
/* oklch */ color: oklch(42.2% 0.062 235.3);

Tailwind

colors: {
  custom: {
    50: '#698395',
    500: '#28536b',
    950: '#000000',
  },
}

SCSS

$custom: #28536b;
$custom-light: #698395;
$custom-dark: #000000;

JSON

{
  "hex": "#28536b",
  "rgb": {
    "r": 40,
    "g": 83,
    "b": 107
  },
  "hsl": {
    "h": 201.493,
    "s": 45.578,
    "l": 28.824
  },
  "oklch": {
    "l": 0.42238,
    "c": 0.06227,
    "h": 235.3
  },
  "luminance": 0.07699
}

Semantic roles & 50–950 ramp

primary

#28536B

secondary

#9D6D51

accent

#8153D5

background

#F6F8F9

surface

#EBEFF1

border

#C6CACB

text

#070A0D

muted

#7A7C7E

Preview Lab

Preview with #28536B

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

Preview Lab → · Contrast checker → · Palette generator →