#3A7FBC#3A7FBC
#3A7FBC is a mid, moderate cyan. Relative luminance 0.197; OKLCH L 58.0% C 0.117 H 248.0°. Best body text is #000000 at 4.94:1 contrast (WCAG AA passes).
Color values
| HEX | #3A7FBC |
|---|---|
| RGB | rgb(58, 127, 188) |
| HSL | hsl(208, 53%, 48%) |
| HSV | hsv(208, 69%, 74%) |
| CMYK | cmyk(69.1%, 32.4%, 0%, 26.3%) |
| CIE-LAB | lab(51.50, -1.68, -38.32) |
| CIE-LCH | lch(51.50, 38.36, 267.49°) |
| OKLab | oklab(58.04% -0.0438 -0.1085) |
| OKLCH | oklch(58.04% 0.117 248) |
| XYZ | xyz(18.4080, 19.7072, 50.4009) |
| Luminance | 0.1971 (WCAG relative) |
| Temperature | cool |
| Family | cyan |
Closest named colors
Steel Blue
#4682B4
ΔE00 1.81
Cool Blue
#4984B8
ΔE00 2.22
Windows Blue
#3778BF
ΔE00 2.92
Bluish
#2976BB
ΔE00 3.41
Cerulean (survey)
#0485D1
ΔE00 3.56
Off Blue
#5684AE
ΔE00 3.84
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#3A7FBC #BC773A
analogous
#3ABCB8 #3A7FBC #3A3EBC
triadic
#3A7FBC #BC3A7F #7FBC3A
tetradic
#3A7FBC #B83ABC #BC773A #3EBC3A
square
#3A7FBC #B83ABC #BC773A #3EBC3A
split-complementary
#3A7FBC #BC3A3E #BCB83A
monochromatic
#1D405E #2C5F8D #3A7FBC #649DCF #93BBDE
Accessibility & contrast
On white
4.25
#3A7FBC on #FFFFFF
AA ✗AA large ✓AAA ✗
On black
4.94
#3A7FBC on #000000
AA ✓AA large ✓AAA ✗
Best text color
#000000 on #3A7FBC
4.94:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##3A7FBC | #FFFFFF | #000000 | ##000000 |
|---|---|---|---|---|
| ##3A7FBC | 1.00 | 4.25 | 4.94 | 4.94 |
| #FFFFFF | 4.25 | 1.00 | 21.00 | 21.00 |
| #000000 | 4.94 | 21.00 | 1.00 | 1.00 |
| ##000000 | 4.94 | 21.00 | 1.00 | 1.00 |
Color blindness preview
Protanopia (red-blind)
#6482BF
Deuteranopia (green-blind)
#5275BB
Tritanopia (blue-blind)
#008E95
Achromatopsia (no color)
#7B7B7B
Design tokens & code
CSS
--color: #3a7fbc; /* rgb */ color: rgb(58, 127, 188); /* oklch */ color: oklch(58.0% 0.117 248.0);
Tailwind
colors: {
custom: {
50: '#7fa3d0',
500: '#3a7fbc',
950: '#000000',
},
}SCSS
$custom: #3a7fbc; $custom-light: #7fa3d0; $custom-dark: #000000;
JSON
{
"hex": "#3a7fbc",
"rgb": {
"r": 58,
"g": 127,
"b": 188
},
"hsl": {
"h": 208.154,
"s": 52.846,
"l": 48.235
},
"oklch": {
"l": 0.58041,
"c": 0.11705,
"h": 248
},
"luminance": 0.19709
}Semantic roles & 50–950 ramp
primary
#3A7FBC
secondary
#C9A789
accent
#8F4CDC
background
#F8FAFC
surface
#EFF3F9
border
#CACDD2
text
#0B0F14
muted
#7C7F82