#357FB5#357FB5
#357FB5 is a mid, moderate cyan. Relative luminance 0.193; OKLCH L 57.5% C 0.111 H 243.7°. Best body text is #000000 at 4.85:1 contrast (WCAG AA passes).
Color values
| HEX | #357FB5 |
|---|---|
| RGB | rgb(53, 127, 181) |
| HSL | hsl(205, 55%, 46%) |
| HSV | hsv(205, 71%, 71%) |
| CMYK | cmyk(70.7%, 29.8%, 0%, 29%) |
| CIE-LAB | lab(51.00, -4.92, -35.10) |
| CIE-LCH | lch(51.00, 35.45, 262.02°) |
| OKLab | oklab(57.49% -0.0491 -0.0992) |
| OKLCH | oklch(57.49% 0.111 243.7) |
| XYZ | xyz(17.3949, 19.2699, 46.5098) |
| Luminance | 0.1927 (WCAG relative) |
| Temperature | cool |
| Family | cyan |
Closest named colors
Steel Blue
#4682B4
ΔE00 2.03
Cool Blue
#4984B8
ΔE00 2.85
Nice Blue
#107AB0
ΔE00 3.25
Cerulean (survey)
#0485D1
ΔE00 3.63
Water Blue
#0E87CC
ΔE00 3.77
Bluish
#2976BB
ΔE00 3.88
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#357FB5 #B56B35
analogous
#35B5AB #357FB5 #353FB5
triadic
#357FB5 #B5357F #7FB535
tetradic
#357FB5 #AB35B5 #B56B35 #3FB535
square
#357FB5 #AB35B5 #B56B35 #3FB535
split-complementary
#357FB5 #B5353F #B5AB35
monochromatic
#193D56 #275E86 #357FB5 #599DCE #88B9DC
Accessibility & contrast
On white
4.33
#357FB5 on #FFFFFF
AA ✗AA large ✓AAA ✗
On black
4.85
#357FB5 on #000000
AA ✓AA large ✓AAA ✗
Best text color
#000000 on #357FB5
4.85:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##357FB5 | #FFFFFF | #000000 | ##000000 |
|---|---|---|---|---|
| ##357FB5 | 1.00 | 4.33 | 4.85 | 4.85 |
| #FFFFFF | 4.33 | 1.00 | 21.00 | 21.00 |
| #000000 | 4.85 | 21.00 | 1.00 | 1.00 |
| ##000000 | 4.85 | 21.00 | 1.00 | 1.00 |
Color blindness preview
Protanopia (red-blind)
#6680B7
Deuteranopia (green-blind)
#5574B4
Tritanopia (blue-blind)
#008C92
Achromatopsia (no color)
#797979
Design tokens & code
CSS
--color: #357fb5; /* rgb */ color: rgb(53, 127, 181); /* oklch */ color: oklch(57.5% 0.111 243.7);
Tailwind
colors: {
custom: {
50: '#7ca3cb',
500: '#357fb5',
950: '#000000',
},
}SCSS
$custom: #357fb5; $custom-light: #7ca3cb; $custom-dark: #000000;
JSON
{
"hex": "#357fb5",
"rgb": {
"r": 53,
"g": 127,
"b": 181
},
"hsl": {
"h": 205.313,
"s": 54.701,
"l": 45.882
},
"oklch": {
"l": 0.57487,
"c": 0.11071,
"h": 243.7
},
"luminance": 0.19272
}Semantic roles & 50–950 ramp
primary
#357FB5
secondary
#C69D80
accent
#884ADE
background
#F8FAFC
surface
#EFF3F8
border
#CACDD1
text
#0B0F13
muted
#7C7F82