#28729F#28729F

#28729F is a mid, moderate cyan. Relative luminance 0.150; OKLCH L 52.8% C 0.101 H 239.7°. Best body text is #FFFFFF at 5.25:1 contrast (WCAG AA passes).

Color values

HEX	#28729F
RGB	rgb(40, 114, 159)
HSL	hsl(203, 60%, 39%)
HSV	hsv(203, 75%, 62%)
CMYK	cmyk(74.8%, 28.3%, 0%, 37.6%)
CIE-LAB	lab(45.62, -7.00, -30.76)
CIE-LCH	lch(45.62, 31.55, 257.18°)
OKLab	oklab(52.77% -0.0508 -0.0869)
OKLCH	oklch(52.77% 0.101 239.7)
XYZ	xyz(13.1479, 14.9874, 34.9941)
Luminance	0.1499 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#28729F #9F5528

analogous

#289F91 #28729F #28379F

triadic

#28729F #9F2872 #729F28

tetradic

#28729F #91289F #9F5528 #379F28

square

#28729F #91289F #9F5528 #379F28

split-complementary

#28729F #9F2837 #9F9128

monochromatic

#0F2C3D #1C4F6E #28729F #3794CD #68AED9

Accessibility & contrast

On white

5.25

#28729F on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.00

#28729F on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #28729F

5.25:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##28729F	#FFFFFF	#000000	##FFFFFF
##28729F	1.00	5.25	4.00	5.25
#FFFFFF	5.25	1.00	21.00	1.00
#000000	4.00	21.00	1.00	21.00
##FFFFFF	5.25	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#5D72A1

Deuteranopia (green-blind)

#4D679E

Tritanopia (blue-blind)

#007D82

Achromatopsia (no color)

#6C6C6C

Design tokens & code

CSS

--color: #28729f;
/* rgb */ color: rgb(40, 114, 159);
/* oklch */ color: oklch(52.8% 0.101 239.7);

Tailwind

colors: {
  custom: {
    50: '#739abb',
    500: '#28729f',
    950: '#000000',
  },
}

SCSS

$custom: #28729f;
$custom-light: #739abb;
$custom-dark: #000000;

JSON

{
  "hex": "#28729f",
  "rgb": {
    "r": 40,
    "g": 114,
    "b": 159
  },
  "hsl": {
    "h": 202.689,
    "s": 59.799,
    "l": 39.02
  },
  "oklch": {
    "l": 0.52773,
    "c": 0.10063,
    "h": 239.7
  },
  "luminance": 0.14989
}

Semantic roles & 50–950 ramp

primary

#28729F

secondary

#BF8664

accent

#8145E3

background

#F7F9FB

surface

#EDF2F6

border

#C8CCD0

text

#090E12

muted

#7B7E81

Preview Lab

Preview with #28729F

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

Preview Lab → · Contrast checker → · Palette generator →