#28537E#28537E
#28537E is a dark, moderate cyan. Relative luminance 0.081; OKLCH L 43.3% C 0.086 H 250.5°. Best body text is #FFFFFF at 7.99:1 contrast (WCAG AA passes).
Color values
| HEX | #28537E |
|---|---|
| RGB | rgb(40, 83, 126) |
| HSL | hsl(210, 52%, 33%) |
| HSV | hsv(210, 68%, 49%) |
| CMYK | cmyk(68.3%, 34.1%, 0%, 50.6%) |
| CIE-LAB | lab(34.28, -0.07, -28.68) |
| CIE-LCH | lch(34.28, 28.68, 269.87°) |
| OKLab | oklab(43.28% -0.0288 -0.0812) |
| OKLCH | oklch(43.28% 0.086 250.5) |
| XYZ | xyz(7.7328, 8.1432, 20.8989) |
| Luminance | 0.0814 (WCAG relative) |
| Temperature | cool |
| Family | cyan |
Closest named colors
Light Navy
#155084
ΔE00 1.91
Dusk Blue
#26538D
ΔE00 2.34
Light Navy Blue
#2E5A88
ΔE00 2.50
Deep Sea Blue
#015482
ΔE00 3.58
Denim Blue
#3B5B92
ΔE00 4.76
Prussian Blue
#004577
ΔE00 4.86
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#28537E #7E5328
analogous
#287E7E #28537E #28287E
triadic
#28537E #7E2853 #537E28
tetradic
#28537E #7E287E #7E5328 #287E28
square
#28537E #7E287E #7E5328 #287E28
split-complementary
#28537E #7E2828 #7E7E28
monochromatic
#0B1621 #193450 #28537E #3772AC #5790CA
Accessibility & contrast
On white
7.99
#28537E on #FFFFFF
AA ✓AA large ✓AAA ✓
On black
2.63
#28537E on #000000
AA ✗AA large ✗AAA ✗
Best text color
#FFFFFF on #28537E
7.99:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##28537E | #FFFFFF | #000000 | ##FFFFFF |
|---|---|---|---|---|
| ##28537E | 1.00 | 7.99 | 2.63 | 7.99 |
| #FFFFFF | 7.99 | 1.00 | 21.00 | 1.00 |
| #000000 | 2.63 | 21.00 | 1.00 | 21.00 |
| ##FFFFFF | 7.99 | 1.00 | 21.00 | 1.00 |
Color blindness preview
Protanopia (red-blind)
#405580
Deuteranopia (green-blind)
#344D7D
Tritanopia (blue-blind)
#005D62
Achromatopsia (no color)
#515151
Design tokens & code
CSS
--color: #28537e; /* rgb */ color: rgb(40, 83, 126); /* oklch */ color: oklch(43.3% 0.086 250.5);
Tailwind
colors: {
custom: {
50: '#6c83a3',
500: '#28537e',
950: '#000000',
},
}SCSS
$custom: #28537e; $custom-light: #6c83a3; $custom-dark: #000000;
JSON
{
"hex": "#28537e",
"rgb": {
"r": 40,
"g": 83,
"b": 126
},
"hsl": {
"h": 210,
"s": 51.807,
"l": 32.549
},
"oklch": {
"l": 0.43281,
"c": 0.08616,
"h": 250.5
},
"luminance": 0.08144
}Semantic roles & 50–950 ramp
primary
#28537E
secondary
#AF8153
accent
#944DDB
background
#F6F7FA
surface
#ECEEF4
border
#C7C9CE
text
#070A0F
muted
#7A7C7F