#28536C#28536C
#28536C is a dark, moderate cyan. Relative luminance 0.077; OKLCH L 42.3% C 0.063 H 236.4°. Best body text is #FFFFFF at 8.25:1 contrast (WCAG AA passes).
Color values
| HEX | #28536C |
|---|---|
| RGB | rgb(40, 83, 108) |
| HSL | hsl(202, 46%, 29%) |
| HSV | hsv(202, 63%, 42%) |
| CMYK | cmyk(63%, 23.1%, 0%, 57.6%) |
| CIE-LAB | lab(33.39, -6.62, -18.87) |
| CIE-LCH | lch(33.39, 20.00, 250.67°) |
| OKLab | oklab(42.29% -0.035 -0.0528) |
| OKLCH | oklch(42.29% 0.063 236.4) |
| XYZ | xyz(6.6741, 7.7197, 15.3228) |
| Luminance | 0.0772 (WCAG relative) |
| Temperature | cool |
| Family | cyan |
Closest named colors
Dark Slate Blue
#214761
ΔE00 4.21
Dark Grey Blue
#29465B
ΔE00 4.78
Deep Sea Blue
#015482
ΔE00 5.38
Light Navy
#155084
ΔE00 6.71
Light Navy Blue
#2E5A88
ΔE00 6.98
Ugly Blue
#31668A
ΔE00 7.25
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#28536C #6C4128
analogous
#286C63 #28536C #28316C
triadic
#28536C #6C2853 #536C28
tetradic
#28536C #63286C #6C4128 #316C28
square
#28536C #63286C #6C4128 #316C28
split-complementary
#28536C #6C2831 #6C6328
monochromatic
#081116 #17313F #28536C #397599 #5096BE
Accessibility & contrast
On white
8.25
#28536C on #FFFFFF
AA ✓AA large ✓AAA ✓
On black
2.54
#28536C on #000000
AA ✗AA large ✗AAA ✗
Best text color
#FFFFFF on #28536C
8.25:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##28536C | #FFFFFF | #000000 | ##FFFFFF |
|---|---|---|---|---|
| ##28536C | 1.00 | 8.25 | 2.54 | 8.25 |
| #FFFFFF | 8.25 | 1.00 | 21.00 | 1.00 |
| #000000 | 2.54 | 21.00 | 1.00 | 21.00 |
| ##FFFFFF | 8.25 | 1.00 | 21.00 | 1.00 |
Color blindness preview
Protanopia (red-blind)
#47526D
Deuteranopia (green-blind)
#3E4B6C
Tritanopia (blue-blind)
#00595B
Achromatopsia (no color)
#4F4F4F
Design tokens & code
CSS
--color: #28536c; /* rgb */ color: rgb(40, 83, 108); /* oklch */ color: oklch(42.3% 0.063 236.4);
Tailwind
colors: {
custom: {
50: '#698396',
500: '#28536c',
950: '#000000',
},
}SCSS
$custom: #28536c; $custom-light: #698396; $custom-dark: #000000;
JSON
{
"hex": "#28536c",
"rgb": {
"r": 40,
"g": 83,
"b": 108
},
"hsl": {
"h": 202.059,
"s": 45.946,
"l": 29.02
},
"oklch": {
"l": 0.42288,
"c": 0.06338,
"h": 236.4
},
"luminance": 0.0772
}Semantic roles & 50–950 ramp
primary
#28536C
secondary
#9E6E51
accent
#8352D6
background
#F6F8F9
surface
#EBEFF2
border
#C6CACC
text
#070A0D
muted
#7A7C7E