#3A7ECB#3A7ECB
#3A7ECB is a mid, vivid cyan. Relative luminance 0.201; OKLCH L 58.7% C 0.137 H 253.5°. Best body text is #000000 at 5.03:1 contrast (WCAG AA passes).
Color values
| HEX | #3A7ECB |
|---|---|
| RGB | rgb(58, 126, 203) |
| HSL | hsl(212, 58%, 51%) |
| HSV | hsv(212, 71%, 80%) |
| CMYK | cmyk(71.4%, 37.9%, 0%, 20.4%) |
| CIE-LAB | lab(51.98, 4.26, -46.13) |
| CIE-LCH | lch(51.98, 46.33, 275.28°) |
| OKLab | oklab(58.67% -0.0388 -0.1314) |
| OKLCH | oklch(58.67% 0.137 253.5) |
| XYZ | xyz(19.9813, 20.1309, 59.3209) |
| Luminance | 0.2013 (WCAG relative) |
| Temperature | cool |
| Family | cyan |
Closest named colors
Windows Blue
#3778BF
ΔE00 2.54
Cool Blue
#4984B8
ΔE00 3.29
Steel Blue
#4682B4
ΔE00 3.43
Bluish
#2976BB
ΔE00 3.93
Off Blue
#5684AE
ΔE00 4.50
Cerulean (survey)
#0485D1
ΔE00 4.76
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#3A7ECB #CB873A
analogous
#3AC6CB #3A7ECB #3E3ACB
triadic
#3A7ECB #CB3A7E #7ECB3A
tetradic
#3A7ECB #CB3AC6 #CB873A #3ACB3E
square
#3A7ECB #CB3AC6 #CB873A #3ACB3E
split-complementary
#3A7ECB #CB3E3A #C6CB3A
monochromatic
#1D436E #2A609E #3A7ECB #6A9ED8 #9BBDE5
Accessibility & contrast
On white
4.18
#3A7ECB on #FFFFFF
AA ✗AA large ✓AAA ✗
On black
5.03
#3A7ECB on #000000
AA ✓AA large ✓AAA ✗
Best text color
#000000 on #3A7ECB
5.03:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##3A7ECB | #FFFFFF | #000000 | ##000000 |
|---|---|---|---|---|
| ##3A7ECB | 1.00 | 4.18 | 5.03 | 5.03 |
| #FFFFFF | 4.18 | 1.00 | 21.00 | 21.00 |
| #000000 | 5.03 | 21.00 | 1.00 | 1.00 |
| ##000000 | 5.03 | 21.00 | 1.00 | 1.00 |
Color blindness preview
Protanopia (red-blind)
#5B83CE
Deuteranopia (green-blind)
#4576C9
Tritanopia (blue-blind)
#00909B
Achromatopsia (no color)
#7C7C7C
Design tokens & code
CSS
--color: #3a7ecb; /* rgb */ color: rgb(58, 126, 203); /* oklch */ color: oklch(58.7% 0.137 253.5);
Tailwind
colors: {
custom: {
50: '#81a2db',
500: '#3a7ecb',
950: '#000000',
},
}SCSS
$custom: #3a7ecb; $custom-light: #81a2db; $custom-dark: #000000;
JSON
{
"hex": "#3a7ecb",
"rgb": {
"r": 58,
"g": 126,
"b": 203
},
"hsl": {
"h": 211.862,
"s": 58.233,
"l": 51.176
},
"oklch": {
"l": 0.5867,
"c": 0.137,
"h": 253.5
},
"luminance": 0.20133
}Semantic roles & 50–950 ramp
primary
#3A7ECB
secondary
#D0B290
accent
#9946E1
background
#F8F9FD
surface
#F0F2FB
border
#CBCCD4
text
#0C0F15
muted
#7D7E83