#28709F#28709F

#28709F is a mid, moderate cyan. Relative luminance 0.145; OKLCH L 52.3% C 0.102 H 241.5°. Best body text is #FFFFFF at 5.37:1 contrast (WCAG AA passes).

Color values

HEX	#28709F
RGB	rgb(40, 112, 159)
HSL	hsl(204, 60%, 39%)
HSV	hsv(204, 75%, 62%)
CMYK	cmyk(74.8%, 29.6%, 0%, 37.6%)
CIE-LAB	lab(45.00, -5.81, -31.73)
CIE-LCH	lch(45.00, 32.26, 259.62°)
OKLab	oklab(52.28% -0.0487 -0.0897)
OKLCH	oklch(52.28% 0.102 241.5)
XYZ	xyz(12.9248, 14.5412, 34.9197)
Luminance	0.1454 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#28709F #9F5728

analogous

#289F93 #28709F #28359F

triadic

#28709F #9F2870 #709F28

tetradic

#28709F #93289F #9F5728 #359F28

square

#28709F #93289F #9F5728 #359F28

split-complementary

#28709F #9F2835 #9F9328

monochromatic

#0F2B3D #1C4E6E #28709F #3792CD #68ADD9

Accessibility & contrast

On white

5.37

#28709F on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.91

#28709F on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #28709F

5.37:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##28709F	#FFFFFF	#000000	##FFFFFF
##28709F	1.00	5.37	3.91	5.37
#FFFFFF	5.37	1.00	21.00	1.00
#000000	3.91	21.00	1.00	21.00
##FFFFFF	5.37	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#5A71A1

Deuteranopia (green-blind)

#4A659E

Tritanopia (blue-blind)

#007C80

Achromatopsia (no color)

#6A6A6A

Design tokens & code

CSS

--color: #28709f;
/* rgb */ color: rgb(40, 112, 159);
/* oklch */ color: oklch(52.3% 0.102 241.5);

Tailwind

colors: {
  custom: {
    50: '#7398bb',
    500: '#28709f',
    950: '#000000',
  },
}

SCSS

$custom: #28709f;
$custom-light: #7398bb;
$custom-dark: #000000;

JSON

{
  "hex": "#28709f",
  "rgb": {
    "r": 40,
    "g": 112,
    "b": 159
  },
  "hsl": {
    "h": 203.697,
    "s": 59.799,
    "l": 39.02
  },
  "oklch": {
    "l": 0.52283,
    "c": 0.10211,
    "h": 241.5
  },
  "luminance": 0.14543
}

Semantic roles & 50–950 ramp

primary

#28709F

secondary

#BF8864

accent

#8345E3

background

#F7F9FB

surface

#EDF2F6

border

#C8CCD0

text

#090D12

muted

#7B7E81

Preview Lab

Preview with #28709F

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

Preview Lab → · Contrast checker → · Palette generator →