#1D459C#1D459C
#1D459C is a dark, vivid blue. Relative luminance 0.069; OKLCH L 41.7% C 0.149 H 263.0°. Best body text is #FFFFFF at 8.81:1 contrast (WCAG AA passes).
Color values
| HEX | #1D459C |
|---|---|
| RGB | rgb(29, 69, 156) |
| HSL | hsl(221, 69%, 36%) |
| HSV | hsv(221, 81%, 61%) |
| CMYK | cmyk(81.4%, 55.8%, 0%, 38.8%) |
| CIE-LAB | lab(31.62, 19.52, -51.32) |
| CIE-LCH | lch(31.62, 54.91, 290.82°) |
| OKLab | oklab(41.74% -0.0182 -0.1481) |
| OKLCH | oklch(41.74% 0.149 263) |
| XYZ | xyz(8.6334, 6.9167, 32.3261) |
| Luminance | 0.0692 (WCAG relative) |
| Temperature | cool |
| Family | blue |
Closest named colors
Cobalt
#0047AB
ΔE00 2.21
Cobalt (survey)
#1E488F
ΔE00 2.48
Darkish Blue
#014182
ΔE00 4.65
Sapphire
#0F52BA
ΔE00 5.47
Sapphire (survey)
#2138AB
ΔE00 5.54
Dusk Blue
#26538D
ΔE00 5.62
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#1D459C #9C741D
analogous
#1D859C #1D459C #341D9C
triadic
#1D459C #9C1D45 #459C1D
tetradic
#1D459C #9C1D85 #9C741D #1D9C34
square
#1D459C #9C1D85 #9C741D #1D9C34
split-complementary
#1D459C #9C341D #859C1D
monochromatic
#0A1735 #132E68 #1D459C #275CD0 #5480DF
Accessibility & contrast
On white
8.81
#1D459C on #FFFFFF
AA ✓AA large ✓AAA ✓
On black
2.38
#1D459C on #000000
AA ✗AA large ✗AAA ✗
Best text color
#FFFFFF on #1D459C
8.81:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##1D459C | #FFFFFF | #000000 | ##FFFFFF |
|---|---|---|---|---|
| ##1D459C | 1.00 | 8.81 | 2.38 | 8.81 |
| #FFFFFF | 8.81 | 1.00 | 21.00 | 1.00 |
| #000000 | 2.38 | 21.00 | 1.00 | 21.00 |
| ##FFFFFF | 8.81 | 1.00 | 21.00 | 1.00 |
Color blindness preview
Protanopia (red-blind)
#00509F
Deuteranopia (green-blind)
#00459A
Tritanopia (blue-blind)
#005B69
Achromatopsia (no color)
#4A4A4A
Design tokens & code
CSS
--color: #1d459c; /* rgb */ color: rgb(29, 69, 156); /* oklch */ color: oklch(41.7% 0.149 263.0);
Tailwind
colors: {
custom: {
50: '#6f78ba',
500: '#1d459c',
950: '#000000',
},
}SCSS
$custom: #1d459c; $custom-light: #6f78ba; $custom-dark: #000000;
JSON
{
"hex": "#1d459c",
"rgb": {
"r": 29,
"g": 69,
"b": 156
},
"hsl": {
"h": 221.102,
"s": 68.649,
"l": 36.275
},
"oklch": {
"l": 0.41737,
"c": 0.14922,
"h": 263
},
"luminance": 0.06918
}Semantic roles & 50–950 ramp
primary
#1D459C
secondary
#C29F52
accent
#B43CEB
background
#F7F7FB
surface
#EDEDF6
border
#C8C8D0
text
#090812
muted
#7B7B81