#28648D#28648D

#28648D is a mid, moderate cyan. Relative luminance 0.115; OKLCH L 48.3% C 0.090 H 242.0°. Best body text is #FFFFFF at 6.37:1 contrast (WCAG AA passes).

Color values

HEX	#28648D
RGB	rgb(40, 100, 141)
HSL	hsl(204, 56%, 35%)
HSV	hsv(204, 72%, 55%)
CMYK	cmyk(71.6%, 29.1%, 0%, 44.7%)
CIE-LAB	lab(40.39, -5.16, -28.23)
CIE-LCH	lch(40.39, 28.70, 259.65°)
OKLab	oklab(48.35% -0.0424 -0.0797)
OKLCH	oklch(48.35% 0.09 242)
XYZ	xyz(10.2381, 11.4874, 26.8719)
Luminance	0.1149 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#28648D #8D5128

analogous

#288D83 #28648D #28328D

triadic

#28648D #8D2864 #648D28

tetradic

#28648D #83288D #8D5128 #328D28

square

#28648D #83288D #8D5128 #328D28

split-complementary

#28648D #8D2832 #8D8328

monochromatic

#0D202E #1A425D #28648D #3686BD #5EA3D1

Accessibility & contrast

On white

6.37

#28648D on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.30

#28648D on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #28648D

6.37:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##28648D	#FFFFFF	#000000	##FFFFFF
##28648D	1.00	6.37	3.30	6.37
#FFFFFF	6.37	1.00	21.00	1.00
#000000	3.30	21.00	1.00	21.00
##FFFFFF	6.37	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#51658F

Deuteranopia (green-blind)

#435B8C

Tritanopia (blue-blind)

#006E72

Achromatopsia (no color)

#5F5F5F

Design tokens & code

CSS

--color: #28648d;
/* rgb */ color: rgb(40, 100, 141);
/* oklch */ color: oklch(48.3% 0.090 242.0);

Tailwind

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

SCSS

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

JSON

{
  "hex": "#28648d",
  "rgb": {
    "r": 40,
    "g": 100,
    "b": 141
  },
  "hsl": {
    "h": 204.356,
    "s": 55.801,
    "l": 35.49
  },
  "oklch": {
    "l": 0.48347,
    "c": 0.09027,
    "h": 242
  },
  "luminance": 0.11489
}

Semantic roles & 50–950 ramp

primary

#28648D

secondary

#B7805A

accent

#8649DF

background

#F7F8FA

surface

#EDF0F4

border

#C8CBCE

text

#080C10

muted

#7B7D7F

Preview Lab

Preview with #28648D

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

Preview Lab → · Contrast checker → · Palette generator →