#1847B4#1847B4
#1847B4 is a dark, vivid blue. Relative luminance 0.080; OKLCH L 44.1% C 0.180 H 263.3°. Best body text is #FFFFFF at 8.08:1 contrast (WCAG AA passes).
Color values
| HEX | #1847B4 |
|---|---|
| RGB | rgb(24, 71, 180) |
| HSL | hsl(222, 76%, 40%) |
| HSV | hsv(222, 87%, 71%) |
| CMYK | cmyk(86.7%, 60.6%, 0%, 29.4%) |
| CIE-LAB | lab(33.97, 27.27, -61.86) |
| CIE-LCH | lch(33.97, 67.61, 293.79°) |
| OKLab | oklab(44.08% -0.0211 -0.1791) |
| OKLCH | oklch(44.08% 0.18 263.3) |
| XYZ | xyz(10.8652, 7.9946, 44.1416) |
| Luminance | 0.0800 (WCAG relative) |
| Temperature | cool |
| Family | blue |
Closest named colors
Cobalt
#0047AB
ΔE00 2.05
Blue Blue
#2242C7
ΔE00 3.68
Sapphire
#0F52BA
ΔE00 3.89
Sapphire (survey)
#2138AB
ΔE00 4.95
Cobalt (survey)
#1E488F
ΔE00 5.33
Blue (survey)
#0343DF
ΔE00 5.80
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#1847B4 #B48518
analogous
#1895B4 #1847B4 #3718B4
triadic
#1847B4 #B41847 #47B418
tetradic
#1847B4 #B41895 #B48518 #18B437
square
#1847B4 #B41895 #B48518 #18B437
split-complementary
#1847B4 #B43718 #95B418
monochromatic
#0A1C48 #11327E #1847B4 #275FE2 #5D87E9
Accessibility & contrast
On white
8.08
#1847B4 on #FFFFFF
AA ✓AA large ✓AAA ✓
On black
2.60
#1847B4 on #000000
AA ✗AA large ✗AAA ✗
Best text color
#FFFFFF on #1847B4
8.08:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##1847B4 | #FFFFFF | #000000 | ##FFFFFF |
|---|---|---|---|---|
| ##1847B4 | 1.00 | 8.08 | 2.60 | 8.08 |
| #FFFFFF | 8.08 | 1.00 | 21.00 | 1.00 |
| #000000 | 2.60 | 21.00 | 1.00 | 21.00 |
| ##FFFFFF | 8.08 | 1.00 | 21.00 | 1.00 |
Color blindness preview
Protanopia (red-blind)
#0057B8
Deuteranopia (green-blind)
#0049B2
Tritanopia (blue-blind)
#006376
Achromatopsia (no color)
#505050
Design tokens & code
CSS
--color: #1847b4; /* rgb */ color: rgb(24, 71, 180); /* oklch */ color: oklch(44.1% 0.180 263.3);
Tailwind
colors: {
custom: {
50: '#7479cb',
500: '#1847b4',
950: '#000000',
},
}SCSS
$custom: #1847b4; $custom-light: #7479cb; $custom-dark: #000000;
JSON
{
"hex": "#1847b4",
"rgb": {
"r": 24,
"g": 71,
"b": 180
},
"hsl": {
"h": 221.923,
"s": 76.471,
"l": 40
},
"oklch": {
"l": 0.44076,
"c": 0.18032,
"h": 263.3
},
"luminance": 0.07996
}Semantic roles & 50–950 ramp
primary
#1847B4
secondary
#CDAB5B
accent
#BA35F3
background
#F7F7FC
surface
#EEEDF9
border
#C9C8D2
text
#0A0913
muted
#7C7B82