#3A7BBD#3A7BBD
#3A7BBD is a mid, vivid cyan. Relative luminance 0.187; OKLCH L 57.2% C 0.122 H 251.1°. Best body text is #000000 at 4.75:1 contrast (WCAG AA passes).
Color values
| HEX | #3A7BBD |
|---|---|
| RGB | rgb(58, 123, 189) |
| HSL | hsl(210, 53%, 48%) |
| HSV | hsv(210, 69%, 74%) |
| CMYK | cmyk(69.3%, 34.9%, 0%, 25.9%) |
| CIE-LAB | lab(50.38, 1.07, -40.67) |
| CIE-LCH | lch(50.38, 40.69, 271.50°) |
| OKLab | oklab(57.17% -0.0395 -0.1155) |
| OKLCH | oklch(57.17% 0.122 251.1) |
| XYZ | xyz(18.0098, 18.7377, 50.8018) |
| Luminance | 0.1874 (WCAG relative) |
| Temperature | cool |
| Family | cyan |
Closest named colors
Windows Blue
#3778BF
ΔE00 1.18
Bluish
#2976BB
ΔE00 2.25
Steel Blue
#4682B4
ΔE00 3.18
Cool Blue
#4984B8
ΔE00 3.56
Flat Blue
#3C73A8
ΔE00 3.67
Medium Blue
#2C6FBB
ΔE00 4.41
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#3A7BBD #BD7C3A
analogous
#3ABCBD #3A7BBD #3B3ABD
triadic
#3A7BBD #BD3A7B #7BBD3A
tetradic
#3A7BBD #BD3ABC #BD7C3A #3ABD3B
square
#3A7BBD #BD3ABC #BD7C3A #3ABD3B
split-complementary
#3A7BBD #BD3B3A #BCBD3A
monochromatic
#1D3E5F #2C5D8E #3A7BBD #659AD0 #93B8DE
Accessibility & contrast
On white
4.42
#3A7BBD on #FFFFFF
AA ✗AA large ✓AAA ✗
On black
4.75
#3A7BBD on #000000
AA ✓AA large ✓AAA ✗
Best text color
#000000 on #3A7BBD
4.75:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##3A7BBD | #FFFFFF | #000000 | ##000000 |
|---|---|---|---|---|
| ##3A7BBD | 1.00 | 4.42 | 4.75 | 4.75 |
| #FFFFFF | 4.42 | 1.00 | 21.00 | 21.00 |
| #000000 | 4.75 | 21.00 | 1.00 | 1.00 |
| ##000000 | 4.75 | 21.00 | 1.00 | 1.00 |
Color blindness preview
Protanopia (red-blind)
#5D7FC0
Deuteranopia (green-blind)
#4B72BC
Tritanopia (blue-blind)
#008A93
Achromatopsia (no color)
#787878
Design tokens & code
CSS
--color: #3a7bbd; /* rgb */ color: rgb(58, 123, 189); /* oklch */ color: oklch(57.2% 0.122 251.1);
Tailwind
colors: {
custom: {
50: '#7fa0d1',
500: '#3a7bbd',
950: '#000000',
},
}SCSS
$custom: #3a7bbd; $custom-light: #7fa0d1; $custom-dark: #000000;
JSON
{
"hex": "#3a7bbd",
"rgb": {
"r": 58,
"g": 123,
"b": 189
},
"hsl": {
"h": 210.229,
"s": 53.036,
"l": 48.431
},
"oklch": {
"l": 0.57174,
"c": 0.12204,
"h": 251.1
},
"luminance": 0.1874
}Semantic roles & 50–950 ramp
primary
#3A7BBD
secondary
#C9AA8A
accent
#944BDC
background
#F8F9FC
surface
#EFF2F9
border
#CACCD2
text
#0B0E14
muted
#7C7E82