#1748A0#1748A0
#1748A0 is a dark, vivid blue. Relative luminance 0.074; OKLCH L 42.5% C 0.152 H 261.1°. Best body text is #FFFFFF at 8.50:1 contrast (WCAG AA passes).
Color values
| HEX | #1748A0 |
|---|---|
| RGB | rgb(23, 72, 160) |
| HSL | hsl(219, 75%, 36%) |
| HSV | hsv(219, 86%, 63%) |
| CMYK | cmyk(85.6%, 55%, 0%, 37.3%) |
| CIE-LAB | lab(32.60, 18.53, -52.15) |
| CIE-LCH | lch(32.60, 55.35, 289.56°) |
| OKLab | oklab(42.53% -0.0236 -0.1506) |
| OKLCH | oklch(42.53% 0.152 261.1) |
| XYZ | xyz(9.0136, 7.3538, 34.1953) |
| Luminance | 0.0736 (WCAG relative) |
| Temperature | cool |
| Family | blue |
Closest named colors
Cobalt
#0047AB
ΔE00 1.52
Cobalt (survey)
#1E488F
ΔE00 2.33
Sapphire
#0F52BA
ΔE00 4.38
Dusk Blue
#26538D
ΔE00 4.75
Darkish Blue
#014182
ΔE00 4.79
Twilight Blue
#0A437A
ΔE00 5.60
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#1748A0 #A06F17
analogous
#178CA0 #1748A0 #2A17A0
triadic
#1748A0 #A01748 #48A017
tetradic
#1748A0 #A0178C #A06F17 #17A02A
square
#1748A0 #A0178C #A06F17 #17A02A
split-complementary
#1748A0 #A02A17 #8CA017
monochromatic
#081835 #0F306A #1748A0 #1F60D6 #4C83E5
Accessibility & contrast
On white
8.50
#1748A0 on #FFFFFF
AA ✓AA large ✓AAA ✓
On black
2.47
#1748A0 on #000000
AA ✗AA large ✗AAA ✗
Best text color
#FFFFFF on #1748A0
8.50:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##1748A0 | #FFFFFF | #000000 | ##FFFFFF |
|---|---|---|---|---|
| ##1748A0 | 1.00 | 8.50 | 2.47 | 8.50 |
| #FFFFFF | 8.50 | 1.00 | 21.00 | 1.00 |
| #000000 | 2.47 | 21.00 | 1.00 | 21.00 |
| ##FFFFFF | 8.50 | 1.00 | 21.00 | 1.00 |
Color blindness preview
Protanopia (red-blind)
#0053A3
Deuteranopia (green-blind)
#00479E
Tritanopia (blue-blind)
#005E6D
Achromatopsia (no color)
#4D4D4D
Design tokens & code
CSS
--color: #1748a0; /* rgb */ color: rgb(23, 72, 160); /* oklch */ color: oklch(42.5% 0.152 261.1);
Tailwind
colors: {
custom: {
50: '#6e7abd',
500: '#1748a0',
950: '#000000',
},
}SCSS
$custom: #1748a0; $custom-light: #6e7abd; $custom-dark: #000000;
JSON
{
"hex": "#1748a0",
"rgb": {
"r": 23,
"g": 72,
"b": 160
},
"hsl": {
"h": 218.54,
"s": 74.863,
"l": 35.882
},
"oklch": {
"l": 0.42529,
"c": 0.1524,
"h": 261.1
},
"luminance": 0.07355
}Semantic roles & 50–950 ramp
primary
#1748A0
secondary
#C79B4C
accent
#AF36F1
background
#F7F7FB
surface
#EDEDF7
border
#C8C8D0
text
#090912
muted
#7B7B81