#28647C#28647C

#28647C is a mid, moderate cyan. Relative luminance 0.110; OKLCH L 47.5% C 0.072 H 227.7°. Best body text is #FFFFFF at 6.55:1 contrast (WCAG AA passes).

Color values

HEX	#28647C
RGB	rgb(40, 100, 124)
HSL	hsl(197, 51%, 32%)
HSV	hsv(197, 68%, 49%)
CMYK	cmyk(67.7%, 19.4%, 0%, 51.4%)
CIE-LAB	lab(39.61, -11.24, -19.14)
CIE-LCH	lch(39.61, 22.20, 239.58°)
OKLab	oklab(47.47% -0.0487 -0.0535)
OKLCH	oklch(47.47% 0.072 227.7)
XYZ	xyz(9.0689, 11.0197, 20.7140)
Luminance	0.1102 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#28647C #7C4028

analogous

#287C6A #28647C #283A7C

triadic

#28647C #7C2864 #647C28

tetradic

#28647C #6A287C #7C4028 #3A7C28

square

#28647C #6A287C #7C4028 #3A7C28

split-complementary

#28647C #7C283A #7C6A28

monochromatic

#0A191F #193F4E #28647C #3789AA #56A8C8

Accessibility & contrast

On white

6.55

#28647C on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.20

#28647C on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #28647C

6.55:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##28647C	#FFFFFF	#000000	##FFFFFF
##28647C	1.00	6.55	3.20	6.55
#FFFFFF	6.55	1.00	21.00	1.00
#000000	3.20	21.00	1.00	21.00
##FFFFFF	6.55	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#57627D

Deuteranopia (green-blind)

#4C5A7C

Tritanopia (blue-blind)

#006B6C

Achromatopsia (no color)

#5D5D5D

Design tokens & code

CSS

--color: #28647c;
/* rgb */ color: rgb(40, 100, 124);
/* oklch */ color: oklch(47.5% 0.072 227.7);

Tailwind

colors: {
  custom: {
    50: '#6c90a2',
    500: '#28647c',
    950: '#000000',
  },
}

SCSS

$custom: #28647c;
$custom-light: #6c90a2;
$custom-dark: #000000;

JSON

{
  "hex": "#28647c",
  "rgb": {
    "r": 40,
    "g": 100,
    "b": 124
  },
  "hsl": {
    "h": 197.143,
    "s": 51.22,
    "l": 32.157
  },
  "oklch": {
    "l": 0.47474,
    "c": 0.07235,
    "h": 227.7
  },
  "luminance": 0.11021
}

Semantic roles & 50–950 ramp

primary

#28647C

secondary

#AD6C52

accent

#764DDB

background

#F6F8F9

surface

#ECF0F2

border

#C7CBCC

text

#070C0F

muted

#7A7D7E

Preview Lab

Preview with #28647C

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

Preview Lab → · Contrast checker → · Palette generator →