#28709C#28709C

#28709C is a mid, moderate cyan. Relative luminance 0.144; OKLCH L 52.1% C 0.099 H 239.7°. Best body text is #FFFFFF at 5.40:1 contrast (WCAG AA passes).

Color values

HEX	#28709C
RGB	rgb(40, 112, 156)
HSL	hsl(203, 59%, 38%)
HSV	hsv(203, 74%, 61%)
CMYK	cmyk(74.4%, 28.2%, 0%, 38.8%)
CIE-LAB	lab(44.86, -6.91, -30.18)
CIE-LCH	lch(44.86, 30.96, 257.11°)
OKLab	oklab(52.12% -0.0497 -0.0852)
OKLCH	oklch(52.12% 0.099 239.7)
XYZ	xyz(12.6676, 14.4383, 33.5653)
Luminance	0.1444 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#28709C #9C5428

analogous

#289C8E #28709C #28369C

triadic

#28709C #9C2870 #709C28

tetradic

#28709C #8E289C #9C5428 #369C28

square

#28709C #8E289C #9C5428 #369C28

split-complementary

#28709C #9C2836 #9C8E28

monochromatic

#0F2A3B #1C4D6B #28709C #3693CB #67ADD8

Accessibility & contrast

On white

5.40

#28709C on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.89

#28709C on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #28709C

5.40:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##28709C	#FFFFFF	#000000	##FFFFFF
##28709C	1.00	5.40	3.89	5.40
#FFFFFF	5.40	1.00	21.00	1.00
#000000	3.89	21.00	1.00	21.00
##FFFFFF	5.40	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#5B709E

Deuteranopia (green-blind)

#4C659B

Tritanopia (blue-blind)

#007B7F

Achromatopsia (no color)

#6A6A6A

Design tokens & code

CSS

--color: #28709c;
/* rgb */ color: rgb(40, 112, 156);
/* oklch */ color: oklch(52.1% 0.099 239.7);

Tailwind

colors: {
  custom: {
    50: '#7298b9',
    500: '#28709c',
    950: '#000000',
  },
}

SCSS

$custom: #28709c;
$custom-light: #7298b9;
$custom-dark: #000000;

JSON

{
  "hex": "#28709c",
  "rgb": {
    "r": 40,
    "g": 112,
    "b": 156
  },
  "hsl": {
    "h": 202.759,
    "s": 59.184,
    "l": 38.431
  },
  "oklch": {
    "l": 0.52122,
    "c": 0.0987,
    "h": 239.7
  },
  "luminance": 0.1444
}

Semantic roles & 50–950 ramp

primary

#28709C

secondary

#BE8562

accent

#8145E2

background

#F7F9FB

surface

#EDF2F6

border

#C8CCD0

text

#090D11

muted

#7B7E80

Preview Lab

Preview with #28709C

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

Preview Lab → · Contrast checker → · Palette generator →