#1D48AD#1D48AD
#1D48AD is a dark, vivid blue. Relative luminance 0.079; OKLCH L 43.8% C 0.169 H 263.5°. Best body text is #FFFFFF at 8.13:1 contrast (WCAG AA passes).
Color values
| HEX | #1D48AD |
|---|---|
| RGB | rgb(29, 72, 173) |
| HSL | hsl(222, 71%, 40%) |
| HSV | hsv(222, 83%, 68%) |
| CMYK | cmyk(83.2%, 58.4%, 0%, 32.2%) |
| CIE-LAB | lab(33.80, 24.23, -57.98) |
| CIE-LCH | lch(33.80, 62.84, 292.67°) |
| OKLab | oklab(43.81% -0.019 -0.1676) |
| OKLCH | oklch(43.81% 0.169 263.5) |
| XYZ | xyz(10.3642, 7.9118, 40.5079) |
| Luminance | 0.0791 (WCAG relative) |
| Temperature | cool |
| Family | blue |
Closest named colors
Cobalt
#0047AB
ΔE00 1.51
Sapphire
#0F52BA
ΔE00 3.76
Cobalt (survey)
#1E488F
ΔE00 4.38
Blue Blue
#2242C7
ΔE00 4.62
Sapphire (survey)
#2138AB
ΔE00 5.31
Dusk Blue
#26538D
ΔE00 6.19
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#1D48AD #AD821D
analogous
#1D90AD #1D48AD #3A1DAD
triadic
#1D48AD #AD1D48 #48AD1D
tetradic
#1D48AD #AD1D90 #AD821D #1DAD3A
square
#1D48AD #AD1D90 #AD821D #1DAD3A
split-complementary
#1D48AD #AD3A1D #90AD1D
monochromatic
#0B1C44 #143279 #1D48AD #2C60DC #6088E4
Accessibility & contrast
On white
8.13
#1D48AD on #FFFFFF
AA ✓AA large ✓AAA ✓
On black
2.58
#1D48AD on #000000
AA ✗AA large ✗AAA ✗
Best text color
#FFFFFF on #1D48AD
8.13:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##1D48AD | #FFFFFF | #000000 | ##FFFFFF |
|---|---|---|---|---|
| ##1D48AD | 1.00 | 8.13 | 2.58 | 8.13 |
| #FFFFFF | 8.13 | 1.00 | 21.00 | 1.00 |
| #000000 | 2.58 | 21.00 | 1.00 | 21.00 |
| ##FFFFFF | 8.13 | 1.00 | 21.00 | 1.00 |
Color blindness preview
Protanopia (red-blind)
#0056B0
Deuteranopia (green-blind)
#0049AB
Tritanopia (blue-blind)
#006273
Achromatopsia (no color)
#4F4F4F
Design tokens & code
CSS
--color: #1d48ad; /* rgb */ color: rgb(29, 72, 173); /* oklch */ color: oklch(43.8% 0.169 263.5);
Tailwind
colors: {
custom: {
50: '#737ac6',
500: '#1d48ad',
950: '#000000',
},
}SCSS
$custom: #1d48ad; $custom-light: #737ac6; $custom-dark: #000000;
JSON
{
"hex": "#1d48ad",
"rgb": {
"r": 29,
"g": 72,
"b": 173
},
"hsl": {
"h": 222.083,
"s": 71.287,
"l": 39.608
},
"oklch": {
"l": 0.43806,
"c": 0.16869,
"h": 263.5
},
"luminance": 0.07913
}Semantic roles & 50–950 ramp
primary
#1D48AD
secondary
#C9A95D
accent
#B83AEE
background
#F7F7FC
surface
#EEEDF8
border
#C9C8D1
text
#0A0913
muted
#7C7B82