#153CA1#153CA1
#153CA1 is a dark, vivid blue. Relative luminance 0.060; OKLCH L 40.1% C 0.169 H 264.0°. Best body text is #FFFFFF at 9.58:1 contrast (WCAG AA passes).
Color values
| HEX | #153CA1 |
|---|---|
| RGB | rgb(21, 60, 161) |
| HSL | hsl(223, 77%, 36%) |
| HSV | hsv(223, 87%, 63%) |
| CMYK | cmyk(87%, 62.7%, 0%, 36.9%) |
| CIE-LAB | lab(29.32, 26.98, -58.11) |
| CIE-LCH | lch(29.32, 64.07, 294.91°) |
| OKLab | oklab(40.07% -0.0177 -0.1683) |
| OKLCH | oklch(40.07% 0.169 264) |
| XYZ | xyz(8.3558, 5.9633, 34.4219) |
| Luminance | 0.0596 (WCAG relative) |
| Temperature | cool |
| Family | blue |
Closest named colors
Sapphire (survey)
#2138AB
ΔE00 2.69
Cobalt
#0047AB
ΔE00 4.01
Cobalt (survey)
#1E488F
ΔE00 5.37
Blue Blue
#2242C7
ΔE00 5.64
Blueberry
#464196
ΔE00 6.22
Darkish Blue
#014182
ΔE00 6.30
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#153CA1 #A17A15
analogous
#1582A1 #153CA1 #3415A1
triadic
#153CA1 #A1153C #3CA115
tetradic
#153CA1 #A11582 #A17A15 #15A134
square
#153CA1 #A11582 #A17A15 #15A134
split-complementary
#153CA1 #A13415 #82A115
monochromatic
#071435 #0E286B #153CA1 #1C50D7 #4975E7
Accessibility & contrast
On white
9.58
#153CA1 on #FFFFFF
AA ✓AA large ✓AAA ✓
On black
2.19
#153CA1 on #000000
AA ✗AA large ✗AAA ✗
Best text color
#FFFFFF on #153CA1
9.58:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##153CA1 | #FFFFFF | #000000 | ##FFFFFF |
|---|---|---|---|---|
| ##153CA1 | 1.00 | 9.58 | 2.19 | 9.58 |
| #FFFFFF | 9.58 | 1.00 | 21.00 | 1.00 |
| #000000 | 2.19 | 21.00 | 1.00 | 21.00 |
| ##FFFFFF | 9.58 | 1.00 | 21.00 | 1.00 |
Color blindness preview
Protanopia (red-blind)
#004CA4
Deuteranopia (green-blind)
#003F9F
Tritanopia (blue-blind)
#005668
Achromatopsia (no color)
#454545
Design tokens & code
CSS
--color: #153ca1; /* rgb */ color: rgb(21, 60, 161); /* oklch */ color: oklch(40.1% 0.169 264.0);
Tailwind
colors: {
custom: {
50: '#6f71be',
500: '#153ca1',
950: '#000000',
},
}SCSS
$custom: #153ca1; $custom-light: #6f71be; $custom-dark: #000000;
JSON
{
"hex": "#153ca1",
"rgb": {
"r": 21,
"g": 60,
"b": 161
},
"hsl": {
"h": 223.286,
"s": 76.923,
"l": 35.686
},
"oklch": {
"l": 0.40074,
"c": 0.16919,
"h": 264
},
"luminance": 0.05964
}Semantic roles & 50–950 ramp
primary
#153CA1
secondary
#C8A549
accent
#BE34F3
background
#F7F6FB
surface
#EDECF7
border
#C8C7D0
text
#090712
muted
#7B7A81