#28648C#28648C

#28648C is a mid, moderate cyan. Relative luminance 0.115; OKLCH L 48.3% C 0.089 H 241.3°. Best body text is #FFFFFF at 6.38:1 contrast (WCAG AA passes).

Color values

HEX	#28648C
RGB	rgb(40, 100, 140)
HSL	hsl(204, 56%, 35%)
HSV	hsv(204, 71%, 55%)
CMYK	cmyk(71.4%, 28.6%, 0%, 45.1%)
CIE-LAB	lab(40.34, -5.52, -27.70)
CIE-LCH	lch(40.34, 28.25, 258.72°)
OKLab	oklab(48.29% -0.0428 -0.0782)
OKLCH	oklch(48.29% 0.089 241.3)
XYZ	xyz(10.1640, 11.4578, 26.4818)
Luminance	0.1146 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#28648C #8C5028

analogous

#288C82 #28648C #28328C

triadic

#28648C #8C2864 #648C28

tetradic

#28648C #82288C #8C5028 #328C28

square

#28648C #82288C #8C5028 #328C28

split-complementary

#28648C #8C2832 #8C8228

monochromatic

#0D202D #1A425C #28648C #3686BC #5EA3D1

Accessibility & contrast

On white

6.38

#28648C on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.29

#28648C on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #28648C

6.38:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##28648C	#FFFFFF	#000000	##FFFFFF
##28648C	1.00	6.38	3.29	6.38
#FFFFFF	6.38	1.00	21.00	1.00
#000000	3.29	21.00	1.00	21.00
##FFFFFF	6.38	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#52648E

Deuteranopia (green-blind)

#445B8B

Tritanopia (blue-blind)

#006E72

Achromatopsia (no color)

#5F5F5F

Design tokens & code

CSS

--color: #28648c;
/* rgb */ color: rgb(40, 100, 140);
/* oklch */ color: oklch(48.3% 0.089 241.3);

Tailwind

colors: {
  custom: {
    50: '#6f90ae',
    500: '#28648c',
    950: '#000000',
  },
}

SCSS

$custom: #28648c;
$custom-light: #6f90ae;
$custom-dark: #000000;

JSON

{
  "hex": "#28648c",
  "rgb": {
    "r": 40,
    "g": 100,
    "b": 140
  },
  "hsl": {
    "h": 204,
    "s": 55.556,
    "l": 35.294
  },
  "oklch": {
    "l": 0.48293,
    "c": 0.0891,
    "h": 241.3
  },
  "luminance": 0.11459
}

Semantic roles & 50–950 ramp

primary

#28648C

secondary

#B67F5A

accent

#8549DF

background

#F7F8FA

surface

#EDF0F4

border

#C8CBCE

text

#080C10

muted

#7B7D7F

Preview Lab

Preview with #28648C

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

Preview Lab → · Contrast checker → · Palette generator →