#3A7FBB#3A7FBB
#3A7FBB is a mid, moderate cyan. Relative luminance 0.197; OKLCH L 58.0% C 0.116 H 247.6°. Best body text is #000000 at 4.93:1 contrast (WCAG AA passes).
Color values
| HEX | #3A7FBB |
|---|---|
| RGB | rgb(58, 127, 187) |
| HSL | hsl(208, 53%, 48%) |
| HSV | hsv(208, 69%, 73%) |
| CMYK | cmyk(69%, 32.1%, 0%, 26.7%) |
| CIE-LAB | lab(51.46, -2.03, -37.83) |
| CIE-LCH | lch(51.46, 37.88, 266.92°) |
| OKLab | oklab(57.99% -0.0441 -0.1071) |
| OKLCH | oklch(57.99% 0.116 247.6) |
| XYZ | xyz(18.3006, 19.6642, 49.8352) |
| Luminance | 0.1967 (WCAG relative) |
| Temperature | cool |
| Family | cyan |
Closest named colors
Steel Blue
#4682B4
ΔE00 1.74
Cool Blue
#4984B8
ΔE00 2.21
Windows Blue
#3778BF
ΔE00 2.99
Bluish
#2976BB
ΔE00 3.41
Cerulean (survey)
#0485D1
ΔE00 3.55
Off Blue
#5684AE
ΔE00 3.82
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#3A7FBB #BB763A
analogous
#3ABBB6 #3A7FBB #3A3EBB
triadic
#3A7FBB #BB3A7F #7FBB3A
tetradic
#3A7FBB #B63ABB #BB763A #3EBB3A
square
#3A7FBB #B63ABB #BB763A #3EBB3A
split-complementary
#3A7FBB #BB3A3E #BBB63A
monochromatic
#1D405E #2C5F8C #3A7FBB #639DCF #92BADD
Accessibility & contrast
On white
4.26
#3A7FBB on #FFFFFF
AA ✗AA large ✓AAA ✗
On black
4.93
#3A7FBB on #000000
AA ✓AA large ✓AAA ✗
Best text color
#000000 on #3A7FBB
4.93:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##3A7FBB | #FFFFFF | #000000 | ##000000 |
|---|---|---|---|---|
| ##3A7FBB | 1.00 | 4.26 | 4.93 | 4.93 |
| #FFFFFF | 4.26 | 1.00 | 21.00 | 21.00 |
| #000000 | 4.93 | 21.00 | 1.00 | 1.00 |
| ##000000 | 4.93 | 21.00 | 1.00 | 1.00 |
Color blindness preview
Protanopia (red-blind)
#6481BE
Deuteranopia (green-blind)
#5275BA
Tritanopia (blue-blind)
#008D94
Achromatopsia (no color)
#7B7B7B
Design tokens & code
CSS
--color: #3a7fbb; /* rgb */ color: rgb(58, 127, 187); /* oklch */ color: oklch(58.0% 0.116 247.6);
Tailwind
colors: {
custom: {
50: '#7fa3cf',
500: '#3a7fbb',
950: '#000000',
},
}SCSS
$custom: #3a7fbb; $custom-light: #7fa3cf; $custom-dark: #000000;
JSON
{
"hex": "#3a7fbb",
"rgb": {
"r": 58,
"g": 127,
"b": 187
},
"hsl": {
"h": 207.907,
"s": 52.653,
"l": 48.039
},
"oklch": {
"l": 0.57986,
"c": 0.11583,
"h": 247.6
},
"luminance": 0.19666
}Semantic roles & 50–950 ramp
primary
#3A7FBB
secondary
#C8A688
accent
#8F4CDC
background
#F8FAFC
surface
#EFF3F9
border
#CACDD2
text
#0B0F14
muted
#7C7F82