#153A83#153A83
#153A83 is a dark, vivid blue. Relative luminance 0.048; OKLCH L 37.0% C 0.130 H 262.0°. Best body text is #FFFFFF at 10.69:1 contrast (WCAG AA passes).
Color values
| HEX | #153A83 |
|---|---|
| RGB | rgb(21, 58, 131) |
| HSL | hsl(220, 72%, 30%) |
| HSV | hsv(220, 84%, 51%) |
| CMYK | cmyk(84%, 55.7%, 0%, 48.6%) |
| CIE-LAB | lab(26.23, 16.16, -44.71) |
| CIE-LCH | lch(26.23, 47.54, 289.87°) |
| OKLab | oklab(36.96% -0.0181 -0.129) |
| OKLCH | oklch(36.96% 0.13 262) |
| XYZ | xyz(5.9176, 4.8235, 22.0875) |
| Luminance | 0.0482 (WCAG relative) |
| Temperature | cool |
| Family | blue |
Closest named colors
Darkish Blue
#014182
ΔE00 3.65
Marine Blue
#01386A
ΔE00 4.57
Cobalt (survey)
#1E488F
ΔE00 4.59
Twilight Blue
#0A437A
ΔE00 4.76
Marine
#042E60
ΔE00 5.84
Prussian Blue
#004577
ΔE00 6.33
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#153A83 #835E15
analogous
#157183 #153A83 #271583
triadic
#153A83 #83153A #3A8315
tetradic
#153A83 #831571 #835E15 #158327
square
#153A83 #831571 #835E15 #158327
split-complementary
#153A83 #832715 #718315
monochromatic
#040C1A #0D234E #153A83 #1D51B8 #346DDE
Accessibility & contrast
On white
10.69
#153A83 on #FFFFFF
AA ✓AA large ✓AAA ✓
On black
1.96
#153A83 on #000000
AA ✗AA large ✗AAA ✗
Best text color
#FFFFFF on #153A83
10.69:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##153A83 | #FFFFFF | #000000 | ##FFFFFF |
|---|---|---|---|---|
| ##153A83 | 1.00 | 10.69 | 1.96 | 10.69 |
| #FFFFFF | 10.69 | 1.00 | 21.00 | 1.00 |
| #000000 | 1.96 | 21.00 | 1.00 | 21.00 |
| ##FFFFFF | 10.69 | 1.00 | 21.00 | 1.00 |
Color blindness preview
Protanopia (red-blind)
#004386
Deuteranopia (green-blind)
#003982
Tritanopia (blue-blind)
#004C58
Achromatopsia (no color)
#3E3E3E
Design tokens & code
CSS
--color: #153a83; /* rgb */ color: rgb(21, 58, 131); /* oklch */ color: oklch(37.0% 0.130 262.0);
Tailwind
colors: {
custom: {
50: '#676fa8',
500: '#153a83',
950: '#000000',
},
}SCSS
$custom: #153a83; $custom-light: #676fa8; $custom-dark: #000000;
JSON
{
"hex": "#153a83",
"rgb": {
"r": 21,
"g": 58,
"b": 131
},
"hsl": {
"h": 219.818,
"s": 72.368,
"l": 29.804
},
"oklch": {
"l": 0.36961,
"c": 0.13025,
"h": 262
},
"luminance": 0.04824
}Semantic roles & 50–950 ramp
primary
#153A83
secondary
#B88E3C
accent
#B239EF
background
#F6F6FA
surface
#EBECF4
border
#C6C7CE
text
#070710
muted
#7A7A7F