#478CBB#478CBB
#478CBB is a mid, moderate cyan. Relative luminance 0.237; OKLCH L 61.5% C 0.100 H 240.8°. Best body text is #000000 at 5.74:1 contrast (WCAG AA passes).
Color values
| HEX | #478CBB |
|---|---|
| RGB | rgb(71, 140, 187) |
| HSL | hsl(204, 46%, 51%) |
| HSV | hsv(204, 62%, 73%) |
| CMYK | cmyk(62%, 25.1%, 0%, 26.7%) |
| CIE-LAB | lab(55.77, -7.35, -31.05) |
| CIE-LCH | lch(55.77, 31.90, 256.69°) |
| OKLab | oklab(61.52% -0.0487 -0.0872) |
| OKLCH | oklch(61.52% 0.1 240.8) |
| XYZ | xyz(20.9429, 23.6816, 50.4714) |
| Luminance | 0.2368 (WCAG relative) |
| Temperature | cool |
| Family | cyan |
Closest named colors
Cool Blue
#4984B8
ΔE00 3.49
Steel Blue
#4682B4
ΔE00 3.87
Water Blue
#0E87CC
ΔE00 3.89
Dusty Blue
#5A86AD
ΔE00 3.98
Off Blue
#5684AE
ΔE00 4.17
Cerulean (survey)
#0485D1
ΔE00 4.62
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#478CBB #BB7647
analogous
#47BBB0 #478CBB #4752BB
triadic
#478CBB #BB478C #8CBB47
tetradic
#478CBB #B047BB #BB7647 #52BB47
square
#478CBB #B047BB #BB7647 #52BB47
split-complementary
#478CBB #BB4752 #BBB047
monochromatic
#254A63 #356B90 #478CBB #74A8CC #A0C4DC
Accessibility & contrast
On white
3.66
#478CBB on #FFFFFF
AA ✗AA large ✓AAA ✗
On black
5.74
#478CBB on #000000
AA ✓AA large ✓AAA ✗
Best text color
#000000 on #478CBB
5.74:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##478CBB | #FFFFFF | #000000 | ##000000 |
|---|---|---|---|---|
| ##478CBB | 1.00 | 3.66 | 5.74 | 5.74 |
| #FFFFFF | 3.66 | 1.00 | 21.00 | 21.00 |
| #000000 | 5.74 | 21.00 | 1.00 | 1.00 |
| ##000000 | 5.74 | 21.00 | 1.00 | 1.00 |
Color blindness preview
Protanopia (red-blind)
#778CBD
Deuteranopia (green-blind)
#6780BA
Tritanopia (blue-blind)
#00989C
Achromatopsia (no color)
#868686
Design tokens & code
CSS
--color: #478cbb; /* rgb */ color: rgb(71, 140, 187); /* oklch */ color: oklch(61.5% 0.100 240.8);
Tailwind
colors: {
custom: {
50: '#85adcf',
500: '#478cbb',
950: '#000000',
},
}SCSS
$custom: #478cbb; $custom-light: #85adcf; $custom-dark: #000000;
JSON
{
"hex": "#478cbb",
"rgb": {
"r": 71,
"g": 140,
"b": 187
},
"hsl": {
"h": 204.31,
"s": 46.032,
"l": 50.588
},
"oklch": {
"l": 0.61522,
"c": 0.09987,
"h": 240.8
},
"luminance": 0.23684
}Semantic roles & 50–950 ramp
primary
#478CBB
secondary
#C9AA95
accent
#8752D6
background
#F8FAFC
surface
#F0F4F9
border
#CBCED2
text
#0C1014
muted
#7D7F82