#28538D#28538D
#28538D is a dark, moderate cyan. Relative luminance 0.086; OKLCH L 44.2% C 0.107 H 256.6°. Best body text is #FFFFFF at 7.74:1 contrast (WCAG AA passes).
Color values
| HEX | #28538D |
|---|---|
| RGB | rgb(40, 83, 141) |
| HSL | hsl(214, 56%, 35%) |
| HSV | hsv(214, 72%, 55%) |
| CMYK | cmyk(71.6%, 41.1%, 0%, 44.7%) |
| CIE-LAB | lab(35.12, 5.62, -36.55) |
| CIE-LCH | lch(35.12, 36.97, 278.74°) |
| OKLab | oklab(44.21% -0.0247 -0.1042) |
| OKLCH | oklch(44.21% 0.107 256.6) |
| XYZ | xyz(8.7743, 8.5598, 26.3839) |
| Luminance | 0.0856 (WCAG relative) |
| Temperature | cool |
| Family | cyan |
Closest named colors
Dusk Blue
#26538D
ΔE00 0.30
Light Navy
#155084
ΔE00 2.84
Light Navy Blue
#2E5A88
ΔE00 2.85
Denim Blue
#3B5B92
ΔE00 3.37
Cobalt (survey)
#1E488F
ΔE00 3.76
Deep Sea Blue
#015482
ΔE00 5.36
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#28538D #8D6228
analogous
#28858D #28538D #2F288D
triadic
#28538D #8D2853 #538D28
tetradic
#28538D #8D2885 #8D6228 #288D2F
square
#28538D #8D2885 #8D6228 #288D2F
split-complementary
#28538D #8D2F28 #858D28
monochromatic
#0D1B2E #1A375D #28538D #366FBD #5E8FD1
Accessibility & contrast
On white
7.74
#28538D on #FFFFFF
AA ✓AA large ✓AAA ✓
On black
2.71
#28538D on #000000
AA ✗AA large ✗AAA ✗
Best text color
#FFFFFF on #28538D
7.74:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##28538D | #FFFFFF | #000000 | ##FFFFFF |
|---|---|---|---|---|
| ##28538D | 1.00 | 7.74 | 2.71 | 7.74 |
| #FFFFFF | 7.74 | 1.00 | 21.00 | 1.00 |
| #000000 | 2.71 | 21.00 | 1.00 | 21.00 |
| ##FFFFFF | 7.74 | 1.00 | 21.00 | 1.00 |
Color blindness preview
Protanopia (red-blind)
#38588F
Deuteranopia (green-blind)
#284E8C
Tritanopia (blue-blind)
#006069
Achromatopsia (no color)
#535353
Design tokens & code
CSS
--color: #28538d; /* rgb */ color: rgb(40, 83, 141); /* oklch */ color: oklch(44.2% 0.107 256.6);
Tailwind
colors: {
custom: {
50: '#6f82af',
500: '#28538d',
950: '#000000',
},
}SCSS
$custom: #28538d; $custom-light: #6f82af; $custom-dark: #000000;
JSON
{
"hex": "#28538d",
"rgb": {
"r": 40,
"g": 83,
"b": 141
},
"hsl": {
"h": 214.455,
"s": 55.801,
"l": 35.49
},
"oklch": {
"l": 0.44214,
"c": 0.10711,
"h": 256.6
},
"luminance": 0.08561
}Semantic roles & 50–950 ramp
primary
#28538D
secondary
#B78F5A
accent
#9F49DF
background
#F7F7FA
surface
#EDEEF4
border
#C8C9CE
text
#080A10
muted
#7B7C7F