#1C48AE#1C48AE
#1C48AE is a dark, vivid blue. Relative luminance 0.079; OKLCH L 43.9% C 0.170 H 263.4°. Best body text is #FFFFFF at 8.12:1 contrast (WCAG AA passes).
Color values
| HEX | #1C48AE |
|---|---|
| RGB | rgb(28, 72, 174) |
| HSL | hsl(222, 72%, 40%) |
| HSV | hsv(222, 84%, 68%) |
| CMYK | cmyk(83.9%, 58.6%, 0%, 31.8%) |
| CIE-LAB | lab(33.85, 24.54, -58.50) |
| CIE-LCH | lch(33.85, 63.43, 292.75°) |
| OKLab | oklab(43.86% -0.0196 -0.1691) |
| OKLCH | oklch(43.86% 0.17 263.4) |
| XYZ | xyz(10.4335, 7.9363, 41.0182) |
| Luminance | 0.0794 (WCAG relative) |
| Temperature | cool |
| Family | blue |
Closest named colors
Cobalt
#0047AB
ΔE00 1.52
Sapphire
#0F52BA
ΔE00 3.71
Cobalt (survey)
#1E488F
ΔE00 4.49
Blue Blue
#2242C7
ΔE00 4.53
Sapphire (survey)
#2138AB
ΔE00 5.31
Dusk Blue
#26538D
ΔE00 6.25
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#1C48AE #AE821C
analogous
#1C91AE #1C48AE #391CAE
triadic
#1C48AE #AE1C48 #48AE1C
tetradic
#1C48AE #AE1C91 #AE821C #1CAE39
square
#1C48AE #AE1C91 #AE821C #1CAE39
split-complementary
#1C48AE #AE391C #91AE1C
monochromatic
#0B1C45 #143279 #1C48AE #2A60DD #5F88E5
Accessibility & contrast
On white
8.12
#1C48AE on #FFFFFF
AA ✓AA large ✓AAA ✓
On black
2.59
#1C48AE on #000000
AA ✗AA large ✗AAA ✗
Best text color
#FFFFFF on #1C48AE
8.12:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##1C48AE | #FFFFFF | #000000 | ##FFFFFF |
|---|---|---|---|---|
| ##1C48AE | 1.00 | 8.12 | 2.59 | 8.12 |
| #FFFFFF | 8.12 | 1.00 | 21.00 | 1.00 |
| #000000 | 2.59 | 21.00 | 1.00 | 21.00 |
| ##FFFFFF | 8.12 | 1.00 | 21.00 | 1.00 |
Color blindness preview
Protanopia (red-blind)
#0057B1
Deuteranopia (green-blind)
#0049AC
Tritanopia (blue-blind)
#006274
Achromatopsia (no color)
#505050
Design tokens & code
CSS
--color: #1c48ae; /* rgb */ color: rgb(28, 72, 174); /* oklch */ color: oklch(43.9% 0.170 263.4);
Tailwind
colors: {
custom: {
50: '#737ac7',
500: '#1c48ae',
950: '#000000',
},
}SCSS
$custom: #1c48ae; $custom-light: #737ac7; $custom-dark: #000000;
JSON
{
"hex": "#1c48ae",
"rgb": {
"r": 28,
"g": 72,
"b": 174
},
"hsl": {
"h": 221.918,
"s": 72.277,
"l": 39.608
},
"oklch": {
"l": 0.43861,
"c": 0.17027,
"h": 263.4
},
"luminance": 0.07938
}Semantic roles & 50–950 ramp
primary
#1C48AE
secondary
#CAA95C
accent
#B839EF
background
#F7F7FC
surface
#EEEDF8
border
#C9C8D1
text
#0A0913
muted
#7C7B82