#153D90#153D90
#153D90 is a dark, vivid blue. Relative luminance 0.055; OKLCH L 38.7% C 0.145 H 262.5°. Best body text is #FFFFFF at 9.99:1 contrast (WCAG AA passes).
Color values
| HEX | #153D90 |
|---|---|
| RGB | rgb(21, 61, 144) |
| HSL | hsl(220, 75%, 32%) |
| HSV | hsv(220, 85%, 56%) |
| CMYK | cmyk(85.4%, 57.6%, 0%, 43.5%) |
| CIE-LAB | lab(28.14, 19.43, -49.66) |
| CIE-LCH | lch(28.14, 53.33, 291.36°) |
| OKLab | oklab(38.74% -0.019 -0.1435) |
| OKLCH | oklch(38.74% 0.145 262.5) |
| XYZ | xyz(7.0102, 5.5097, 27.0741) |
| Luminance | 0.0551 (WCAG relative) |
| Temperature | cool |
| Family | blue |
Closest named colors
Cobalt (survey)
#1E488F
ΔE00 3.75
Darkish Blue
#014182
ΔE00 3.95
Cobalt
#0047AB
ΔE00 4.54
Twilight Blue
#0A437A
ΔE00 5.17
Sapphire (survey)
#2138AB
ΔE00 5.30
Marine Blue
#01386A
ΔE00 6.06
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#153D90 #906815
analogous
#157A90 #153D90 #2B1590
triadic
#153D90 #90153D #3D9015
tetradic
#153D90 #90157A #906815 #15902B
square
#153D90 #90157A #906815 #15902B
split-complementary
#153D90 #902B15 #7A9015
monochromatic
#051025 #0D265B #153D90 #1D54C5 #3D73E3
Accessibility & contrast
On white
9.99
#153D90 on #FFFFFF
AA ✓AA large ✓AAA ✓
On black
2.10
#153D90 on #000000
AA ✗AA large ✗AAA ✗
Best text color
#FFFFFF on #153D90
9.99:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##153D90 | #FFFFFF | #000000 | ##FFFFFF |
|---|---|---|---|---|
| ##153D90 | 1.00 | 9.99 | 2.10 | 9.99 |
| #FFFFFF | 9.99 | 1.00 | 21.00 | 1.00 |
| #000000 | 2.10 | 21.00 | 1.00 | 21.00 |
| ##FFFFFF | 9.99 | 1.00 | 21.00 | 1.00 |
Color blindness preview
Protanopia (red-blind)
#004893
Deuteranopia (green-blind)
#003D8E
Tritanopia (blue-blind)
#005260
Achromatopsia (no color)
#424242
Design tokens & code
CSS
--color: #153d90; /* rgb */ color: rgb(21, 61, 144); /* oklch */ color: oklch(38.7% 0.145 262.5);
Tailwind
colors: {
custom: {
50: '#6a71b1',
500: '#153d90',
950: '#000000',
},
}SCSS
$custom: #153d90; $custom-light: #6a71b1; $custom-dark: #000000;
JSON
{
"hex": "#153d90",
"rgb": {
"r": 21,
"g": 61,
"b": 144
},
"hsl": {
"h": 220.488,
"s": 74.545,
"l": 32.353
},
"oklch": {
"l": 0.38738,
"c": 0.14474,
"h": 262.5
},
"luminance": 0.05511
}Semantic roles & 50–950 ramp
primary
#153D90
secondary
#C2973E
accent
#B537F1
background
#F6F6FB
surface
#ECECF6
border
#C7C7D0
text
#080711
muted
#7A7A80