#153C5F#153C5F
#153C5F is a dark, moderate cyan. Relative luminance 0.042; OKLCH L 34.7% C 0.075 H 248.8°. Best body text is #FFFFFF at 11.39:1 contrast (WCAG AA passes).
Color values
| HEX | #153C5F |
|---|---|
| RGB | rgb(21, 60, 95) |
| HSL | hsl(208, 64%, 23%) |
| HSV | hsv(208, 78%, 37%) |
| CMYK | cmyk(77.9%, 36.8%, 0%, 62.7%) |
| CIE-LAB | lab(24.38, -0.26, -24.73) |
| CIE-LCH | lch(24.38, 24.73, 269.39°) |
| OKLab | oklab(34.74% -0.0272 -0.0702) |
| OKLCH | oklch(34.74% 0.075 248.8) |
| XYZ | xyz(3.9899, 4.2169, 11.4279) |
| Luminance | 0.0422 (WCAG relative) |
| Temperature | cool |
| Family | cyan |
Closest named colors
Marine Blue
#01386A
ΔE00 2.92
Twilight Blue
#0A437A
ΔE00 4.15
Prussian Blue
#004577
ΔE00 4.21
Darkish Blue
#014182
ΔE00 4.85
Dark Slate Blue
#214761
ΔE00 5.16
Marine
#042E60
ΔE00 5.44
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#153C5F #5F3815
analogous
#155F5D #153C5F #15175F
triadic
#153C5F #5F153C #3C5F15
tetradic
#153C5F #5D155F #5F3815 #175F15
square
#153C5F #5D155F #5F3815 #175F15
split-complementary
#153C5F #5F1517 #5F5D15
monochromatic
#061019 #0A1C2D #153C5F #205C91 #2B7BC3
Accessibility & contrast
On white
11.39
#153C5F on #FFFFFF
AA ✓AA large ✓AAA ✓
On black
1.84
#153C5F on #000000
AA ✗AA large ✗AAA ✗
Best text color
#FFFFFF on #153C5F
11.39:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##153C5F | #FFFFFF | #000000 | ##FFFFFF |
|---|---|---|---|---|
| ##153C5F | 1.00 | 11.39 | 1.84 | 11.39 |
| #FFFFFF | 11.39 | 1.00 | 21.00 | 1.00 |
| #000000 | 1.84 | 21.00 | 1.00 | 21.00 |
| ##FFFFFF | 11.39 | 1.00 | 21.00 | 1.00 |
Color blindness preview
Protanopia (red-blind)
#2C3E60
Deuteranopia (green-blind)
#21375E
Tritanopia (blue-blind)
#004449
Achromatopsia (no color)
#3A3A3A
Design tokens & code
CSS
--color: #153c5f; /* rgb */ color: rgb(21, 60, 95); /* oklch */ color: oklch(34.7% 0.075 248.8);
Tailwind
colors: {
custom: {
50: '#5e718c',
500: '#153c5f',
950: '#000000',
},
}SCSS
$custom: #153c5f; $custom-light: #5e718c; $custom-dark: #000000;
JSON
{
"hex": "#153c5f",
"rgb": {
"r": 21,
"g": 60,
"b": 95
},
"hsl": {
"h": 208.378,
"s": 63.793,
"l": 22.745
},
"oklch": {
"l": 0.34738,
"c": 0.07531,
"h": 248.8
},
"luminance": 0.04217
}Semantic roles & 50–950 ramp
primary
#153C5F
secondary
#96653A
accent
#8F41E7
background
#F5F6F8
surface
#E9ECF0
border
#C5C7CB
text
#05070C
muted
#797A7D