#28709D#28709D

#28709D is a mid, moderate cyan. Relative luminance 0.145; OKLCH L 52.2% C 0.100 H 240.3°. Best body text is #FFFFFF at 5.39:1 contrast (WCAG AA passes).

Color values

HEX	#28709D
RGB	rgb(40, 112, 157)
HSL	hsl(203, 59%, 39%)
HSV	hsv(203, 75%, 62%)
CMYK	cmyk(74.5%, 28.7%, 0%, 38.4%)
CIE-LAB	lab(44.90, -6.54, -30.70)
CIE-LCH	lch(44.90, 31.39, 257.97°)
OKLab	oklab(52.18% -0.0494 -0.0867)
OKLCH	oklch(52.18% 0.1 240.3)
XYZ	xyz(12.7527, 14.4723, 34.0131)
Luminance	0.1447 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#28709D #9D5528

analogous

#289D8F #28709D #28359D

triadic

#28709D #9D2870 #709D28

tetradic

#28709D #8F289D #9D5528 #359D28

square

#28709D #8F289D #9D5528 #359D28

split-complementary

#28709D #9D2835 #9D8F28

monochromatic

#0F2A3B #1C4D6C #28709D #3692CC #67ADD8

Accessibility & contrast

On white

5.39

#28709D on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.89

#28709D on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #28709D

5.39:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##28709D	#FFFFFF	#000000	##FFFFFF
##28709D	1.00	5.39	3.89	5.39
#FFFFFF	5.39	1.00	21.00	1.00
#000000	3.89	21.00	1.00	21.00
##FFFFFF	5.39	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#5B709F

Deuteranopia (green-blind)

#4B659C

Tritanopia (blue-blind)

#007B80

Achromatopsia (no color)

#6A6A6A

Design tokens & code

CSS

--color: #28709d;
/* rgb */ color: rgb(40, 112, 157);
/* oklch */ color: oklch(52.2% 0.100 240.3);

Tailwind

colors: {
  custom: {
    50: '#7298ba',
    500: '#28709d',
    950: '#000000',
  },
}

SCSS

$custom: #28709d;
$custom-light: #7298ba;
$custom-dark: #000000;

JSON

{
  "hex": "#28709d",
  "rgb": {
    "r": 40,
    "g": 112,
    "b": 157
  },
  "hsl": {
    "h": 203.077,
    "s": 59.391,
    "l": 38.627
  },
  "oklch": {
    "l": 0.52175,
    "c": 0.09982,
    "h": 240.3
  },
  "luminance": 0.14474
}

Semantic roles & 50–950 ramp

primary

#28709D

secondary

#BE8662

accent

#8245E3

background

#F7F9FB

surface

#EDF2F6

border

#C8CCD0

text

#090D11

muted

#7B7E80

Preview Lab

Preview with #28709D

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

Preview Lab → · Contrast checker → · Palette generator →