#437FC1#437FC1
#437FC1 is a mid, moderate cyan. Relative luminance 0.202; OKLCH L 58.7% C 0.120 H 252.5°. Best body text is #000000 at 5.04:1 contrast (WCAG AA passes).
Color values
| HEX | #437FC1 |
|---|---|
| RGB | rgb(67, 127, 193) |
| HSL | hsl(211, 50%, 51%) |
| HSV | hsv(211, 65%, 76%) |
| CMYK | cmyk(65.3%, 34.2%, 0%, 24.3%) |
| CIE-LAB | lab(52.09, 1.56, -40.25) |
| CIE-LCH | lch(52.09, 40.28, 272.21°) |
| OKLab | oklab(58.67% -0.036 -0.114) |
| OKLCH | oklch(58.67% 0.12 252.5) |
| XYZ | xyz(19.5262, 20.2204, 53.3156) |
| Luminance | 0.2022 (WCAG relative) |
| Temperature | cool |
| Family | cyan |
Closest named colors
Cool Blue
#4984B8
ΔE00 2.51
Steel Blue
#4682B4
ΔE00 2.63
Windows Blue
#3778BF
ΔE00 2.64
Off Blue
#5684AE
ΔE00 3.60
Bluish
#2976BB
ΔE00 4.01
Dusty Blue
#5A86AD
ΔE00 4.46
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#437FC1 #C18543
analogous
#43BEC1 #437FC1 #4643C1
triadic
#437FC1 #C1437F #7FC143
tetradic
#437FC1 #C143BE #C18543 #43C146
square
#437FC1 #C143BE #C18543 #43C146
split-complementary
#437FC1 #C14643 #BEC143
monochromatic
#224367 #316195 #437FC1 #719ED0 #9FBEDF
Accessibility & contrast
On white
4.16
#437FC1 on #FFFFFF
AA ✗AA large ✓AAA ✗
On black
5.04
#437FC1 on #000000
AA ✓AA large ✓AAA ✗
Best text color
#000000 on #437FC1
5.04:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##437FC1 | #FFFFFF | #000000 | ##000000 |
|---|---|---|---|---|
| ##437FC1 | 1.00 | 4.16 | 5.04 | 5.04 |
| #FFFFFF | 4.16 | 1.00 | 21.00 | 21.00 |
| #000000 | 5.04 | 21.00 | 1.00 | 1.00 |
| ##000000 | 5.04 | 21.00 | 1.00 | 1.00 |
Color blindness preview
Protanopia (red-blind)
#6283C4
Deuteranopia (green-blind)
#5177C0
Tritanopia (blue-blind)
#008E97
Achromatopsia (no color)
#7C7C7C
Design tokens & code
CSS
--color: #437fc1; /* rgb */ color: rgb(67, 127, 193); /* oklch */ color: oklch(58.7% 0.120 252.5);
Tailwind
colors: {
custom: {
50: '#84a3d4',
500: '#437fc1',
950: '#000000',
},
}SCSS
$custom: #437fc1; $custom-light: #84a3d4; $custom-dark: #000000;
JSON
{
"hex": "#437fc1",
"rgb": {
"r": 67,
"g": 127,
"b": 193
},
"hsl": {
"h": 211.429,
"s": 50.4,
"l": 50.98
},
"oklch": {
"l": 0.58671,
"c": 0.11961,
"h": 252.5
},
"luminance": 0.20222
}Semantic roles & 50–950 ramp
primary
#437FC1
secondary
#CCB194
accent
#974EDA
background
#F8FAFD
surface
#F0F3FA
border
#CBCDD3
text
#0C0F14
muted
#7D7F83