#28618B#28618B

#28618B is a mid, moderate cyan. Relative luminance 0.109; OKLCH L 47.5% C 0.090 H 243.8°. Best body text is #FFFFFF at 6.62:1 contrast (WCAG AA passes).

Color values

HEX	#28618B
RGB	rgb(40, 97, 139)
HSL	hsl(205, 55%, 35%)
HSV	hsv(205, 71%, 55%)
CMYK	cmyk(71.2%, 30.2%, 0%, 45.5%)
CIE-LAB	lab(39.35, -4.05, -28.65)
CIE-LCH	lch(39.35, 28.94, 261.95°)
OKLab	oklab(47.49% -0.0399 -0.0809)
OKLCH	oklch(47.49% 0.09 243.8)
XYZ	xyz(9.8082, 10.8635, 26.0010)
Luminance	0.1086 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#28618B #8B5228

analogous

#288B84 #28618B #282F8B

triadic

#28618B #8B2861 #618B28

tetradic

#28618B #84288B #8B5228 #2F8B28

square

#28618B #84288B #8B5228 #2F8B28

split-complementary

#28618B #8B282F #8B8428

monochromatic

#0D1F2C #1A405B #28618B #3682BB #5D9FD0

Accessibility & contrast

On white

6.62

#28618B on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.17

#28618B on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #28618B

6.62:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##28618B	#FFFFFF	#000000	##FFFFFF
##28618B	1.00	6.62	3.17	6.62
#FFFFFF	6.62	1.00	21.00	1.00
#000000	3.17	21.00	1.00	21.00
##FFFFFF	6.62	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#4E628D

Deuteranopia (green-blind)

#40588A

Tritanopia (blue-blind)

#006B70

Achromatopsia (no color)

#5D5D5D

Design tokens & code

CSS

--color: #28618b;
/* rgb */ color: rgb(40, 97, 139);
/* oklch */ color: oklch(47.5% 0.090 243.8);

Tailwind

colors: {
  custom: {
    50: '#6e8dad',
    500: '#28618b',
    950: '#000000',
  },
}

SCSS

$custom: #28618b;
$custom-light: #6e8dad;
$custom-dark: #000000;

JSON

{
  "hex": "#28618b",
  "rgb": {
    "r": 40,
    "g": 97,
    "b": 139
  },
  "hsl": {
    "h": 205.455,
    "s": 55.307,
    "l": 35.098
  },
  "oklch": {
    "l": 0.47492,
    "c": 0.09024,
    "h": 243.8
  },
  "luminance": 0.10865
}

Semantic roles & 50–950 ramp

primary

#28618B

secondary

#B68059

accent

#8949DF

background

#F7F8FA

surface

#EDF0F4

border

#C8CBCE

text

#080C10

muted

#7B7D7F

Preview Lab

Preview with #28618B

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

Preview Lab → · Contrast checker → · Palette generator →