#28455D#28455D
#28455D is a dark, muted cyan. Relative luminance 0.055; OKLCH L 37.9% C 0.054 H 244.9°. Best body text is #FFFFFF at 10.00:1 contrast (WCAG AA passes).
Color values
| HEX | #28455D |
|---|---|
| RGB | rgb(40, 69, 93) |
| HSL | hsl(207, 40%, 26%) |
| HSV | hsv(207, 57%, 36%) |
| CMYK | cmyk(57%, 25.8%, 0%, 63.5%) |
| CIE-LAB | lab(28.11, -3.04, -17.53) |
| CIE-LCH | lch(28.11, 17.79, 260.16°) |
| OKLab | oklab(37.88% -0.023 -0.049) |
| OKLCH | oklch(37.88% 0.054 244.9) |
| XYZ | xyz(4.9783, 5.4973, 11.1525) |
| Luminance | 0.0550 (WCAG relative) |
| Temperature | cool |
| Family | cyan |
Closest named colors
Dark Grey Blue
#29465B
ΔE00 1.53
Dark Slate Blue
#214761
ΔE00 1.80
Dark Blue Grey
#1F3B4D
ΔE00 4.22
Prussian Blue
#004577
ΔE00 5.94
Charcoal
#36454F
ΔE00 6.09
Twilight Blue
#0A437A
ΔE00 6.33
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#28455D #5D4028
analogous
#285D5A #28455D #282A5D
triadic
#28455D #5D2845 #455D28
tetradic
#28455D #5A285D #5D4028 #2A5D28
square
#28455D #5A285D #5D4028 #2A5D28
split-complementary
#28455D #5D282A #5D5A28
monochromatic
#091015 #162532 #28455D #3A6588 #4D84B2
Accessibility & contrast
On white
10.00
#28455D on #FFFFFF
AA ✓AA large ✓AAA ✓
On black
2.10
#28455D on #000000
AA ✗AA large ✗AAA ✗
Best text color
#FFFFFF on #28455D
10.00:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##28455D | #FFFFFF | #000000 | ##FFFFFF |
|---|---|---|---|---|
| ##28455D | 1.00 | 10.00 | 2.10 | 10.00 |
| #FFFFFF | 10.00 | 1.00 | 21.00 | 1.00 |
| #000000 | 2.10 | 21.00 | 1.00 | 21.00 |
| ##FFFFFF | 10.00 | 1.00 | 21.00 | 1.00 |
Color blindness preview
Protanopia (red-blind)
#3B455E
Deuteranopia (green-blind)
#34405D
Tritanopia (blue-blind)
#084B4D
Achromatopsia (no color)
#424242
Design tokens & code
CSS
--color: #28455d; /* rgb */ color: rgb(40, 69, 93); /* oklch */ color: oklch(37.9% 0.054 244.9);
Tailwind
colors: {
custom: {
50: '#66788b',
500: '#28455d',
950: '#000000',
},
}SCSS
$custom: #28455d; $custom-light: #66788b; $custom-dark: #000000;
JSON
{
"hex": "#28455d",
"rgb": {
"r": 40,
"g": 69,
"b": 93
},
"hsl": {
"h": 207.17,
"s": 39.85,
"l": 26.078
},
"oklch": {
"l": 0.37876,
"c": 0.05414,
"h": 244.9
},
"luminance": 0.05498
}Semantic roles & 50–950 ramp
primary
#28455D
secondary
#906D51
accent
#8E58D0
background
#F6F7F8
surface
#EBEDF0
border
#C6C8CB
text
#06090C
muted
#7A7B7D