#437CBD#437CBD
#437CBD is a mid, moderate cyan. Relative luminance 0.193; OKLCH L 57.8% C 0.117 H 253.2°. Best body text is #000000 at 4.86:1 contrast (WCAG AA passes).
Color values
| HEX | #437CBD |
|---|---|
| RGB | rgb(67, 124, 189) |
| HSL | hsl(212, 48%, 50%) |
| HSV | hsv(212, 65%, 74%) |
| CMYK | cmyk(64.6%, 34.4%, 0%, 25.9%) |
| CIE-LAB | lab(51.01, 1.98, -39.65) |
| CIE-LCH | lch(51.01, 39.70, 272.85°) |
| OKLab | oklab(57.77% -0.034 -0.1123) |
| OKLCH | oklch(57.77% 0.117 253.2) |
| XYZ | xyz(18.7044, 19.2809, 50.8701) |
| Luminance | 0.1928 (WCAG relative) |
| Temperature | cool |
| Family | cyan |
Closest named colors
Windows Blue
#3778BF
ΔE00 1.70
Steel Blue
#4682B4
ΔE00 3.20
Bluish
#2976BB
ΔE00 3.27
Cool Blue
#4984B8
ΔE00 3.35
Off Blue
#5684AE
ΔE00 4.07
Flat Blue
#3C73A8
ΔE00 4.18
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#437CBD #BD8443
analogous
#43B9BD #437CBD #4743BD
triadic
#437CBD #BD437C #7CBD43
tetradic
#437CBD #BD43B9 #BD8443 #43BD47
square
#437CBD #BD43B9 #BD8443 #43BD47
split-complementary
#437CBD #BD4743 #B9BD43
monochromatic
#234163 #335E90 #437CBD #709CCD #9EBBDD
Accessibility & contrast
On white
4.32
#437CBD on #FFFFFF
AA ✗AA large ✓AAA ✗
On black
4.86
#437CBD on #000000
AA ✓AA large ✓AAA ✗
Best text color
#000000 on #437CBD
4.86:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##437CBD | #FFFFFF | #000000 | ##000000 |
|---|---|---|---|---|
| ##437CBD | 1.00 | 4.32 | 4.86 | 4.86 |
| #FFFFFF | 4.32 | 1.00 | 21.00 | 21.00 |
| #000000 | 4.86 | 21.00 | 1.00 | 1.00 |
| ##000000 | 4.86 | 21.00 | 1.00 | 1.00 |
Color blindness preview
Protanopia (red-blind)
#6080C0
Deuteranopia (green-blind)
#4F74BC
Tritanopia (blue-blind)
#008B94
Achromatopsia (no color)
#797979
Design tokens & code
CSS
--color: #437cbd; /* rgb */ color: rgb(67, 124, 189); /* oklch */ color: oklch(57.8% 0.117 253.2);
Tailwind
colors: {
custom: {
50: '#83a1d1',
500: '#437cbd',
950: '#000000',
},
}SCSS
$custom: #437cbd; $custom-light: #83a1d1; $custom-dark: #000000;
JSON
{
"hex": "#437cbd",
"rgb": {
"r": 67,
"g": 124,
"b": 189
},
"hsl": {
"h": 211.967,
"s": 48.031,
"l": 50.196
},
"oklch": {
"l": 0.57767,
"c": 0.11737,
"h": 253.2
},
"luminance": 0.19283
}Semantic roles & 50–950 ramp
primary
#437CBD
secondary
#C9B093
accent
#9850D8
background
#F8F9FC
surface
#F0F2F9
border
#CBCCD2
text
#0C0E14
muted
#7D7E82