#28536E#28536E
#28536E is a dark, moderate cyan. Relative luminance 0.078; OKLCH L 42.4% C 0.066 H 238.5°. Best body text is #FFFFFF at 8.23:1 contrast (WCAG AA passes).
Color values
| HEX | #28536E |
|---|---|
| RGB | rgb(40, 83, 110) |
| HSL | hsl(203, 47%, 29%) |
| HSV | hsv(203, 64%, 43%) |
| CMYK | cmyk(63.6%, 24.5%, 0%, 56.9%) |
| CIE-LAB | lab(33.48, -5.91, -19.98) |
| CIE-LCH | lch(33.48, 20.84, 253.52°) |
| OKLab | oklab(42.39% -0.0343 -0.056) |
| OKLCH | oklch(42.39% 0.066 238.5) |
| XYZ | xyz(6.7817, 7.7628, 15.8898) |
| Luminance | 0.0776 (WCAG relative) |
| Temperature | cool |
| Family | cyan |
Closest named colors
Dark Slate Blue
#214761
ΔE00 4.02
Deep Sea Blue
#015482
ΔE00 4.62
Dark Grey Blue
#29465B
ΔE00 4.80
Light Navy
#155084
ΔE00 5.83
Light Navy Blue
#2E5A88
ΔE00 6.15
Ugly Blue
#31668A
ΔE00 6.94
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#28536E #6E4328
analogous
#286E66 #28536E #28306E
triadic
#28536E #6E2853 #536E28
tetradic
#28536E #66286E #6E4328 #306E28
square
#28536E #66286E #6E4328 #306E28
split-complementary
#28536E #6E2830 #6E6628
monochromatic
#081116 #183141 #28536E #38759B #5195C0
Accessibility & contrast
On white
8.23
#28536E on #FFFFFF
AA ✓AA large ✓AAA ✓
On black
2.55
#28536E on #000000
AA ✗AA large ✗AAA ✗
Best text color
#FFFFFF on #28536E
8.23:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##28536E | #FFFFFF | #000000 | ##FFFFFF |
|---|---|---|---|---|
| ##28536E | 1.00 | 8.23 | 2.55 | 8.23 |
| #FFFFFF | 8.23 | 1.00 | 21.00 | 1.00 |
| #000000 | 2.55 | 21.00 | 1.00 | 21.00 |
| ##FFFFFF | 8.23 | 1.00 | 21.00 | 1.00 |
Color blindness preview
Protanopia (red-blind)
#47536F
Deuteranopia (green-blind)
#3D4C6E
Tritanopia (blue-blind)
#005A5C
Achromatopsia (no color)
#4F4F4F
Design tokens & code
CSS
--color: #28536e; /* rgb */ color: rgb(40, 83, 110); /* oklch */ color: oklch(42.4% 0.066 238.5);
Tailwind
colors: {
custom: {
50: '#698397',
500: '#28536e',
950: '#000000',
},
}SCSS
$custom: #28536e; $custom-light: #698397; $custom-dark: #000000;
JSON
{
"hex": "#28536e",
"rgb": {
"r": 40,
"g": 83,
"b": 110
},
"hsl": {
"h": 203.143,
"s": 46.667,
"l": 29.412
},
"oklch": {
"l": 0.42391,
"c": 0.06565,
"h": 238.5
},
"luminance": 0.07763
}Semantic roles & 50–950 ramp
primary
#28536E
secondary
#A07051
accent
#8551D6
background
#F6F8F9
surface
#EBEFF2
border
#C6CACC
text
#070A0D
muted
#7A7C7E