#357DB7#357DB7
#357DB7 is a mid, moderate cyan. Relative luminance 0.188; OKLCH L 57.1% C 0.115 H 246.1°. Best body text is #000000 at 4.77:1 contrast (WCAG AA passes).
Color values
| HEX | #357DB7 |
|---|---|
| RGB | rgb(53, 125, 183) |
| HSL | hsl(207, 55%, 46%) |
| HSV | hsv(207, 71%, 72%) |
| CMYK | cmyk(71%, 31.7%, 0%, 28.2%) |
| CIE-LAB | lab(50.50, -3.03, -37.04) |
| CIE-LCH | lch(50.50, 37.17, 265.32°) |
| OKLab | oklab(57.12% -0.0465 -0.1049) |
| OKLCH | oklch(57.12% 0.115 246.1) |
| XYZ | xyz(17.3458, 18.8411, 47.5131) |
| Luminance | 0.1884 (WCAG relative) |
| Temperature | cool |
| Family | cyan |
Closest named colors
Steel Blue
#4682B4
ΔE00 2.34
Bluish
#2976BB
ΔE00 2.82
Windows Blue
#3778BF
ΔE00 2.98
Cool Blue
#4984B8
ΔE00 3.08
Nice Blue
#107AB0
ΔE00 3.63
Cerulean (survey)
#0485D1
ΔE00 3.95
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#357DB7 #B76F35
analogous
#35B7B0 #357DB7 #353CB7
triadic
#357DB7 #B7357D #7DB735
tetradic
#357DB7 #B035B7 #B76F35 #3CB735
square
#357DB7 #B035B7 #B76F35 #3CB735
split-complementary
#357DB7 #B7353C #B7B035
monochromatic
#1A3C58 #275D88 #357DB7 #5A9BCF #89B8DD
Accessibility & contrast
On white
4.40
#357DB7 on #FFFFFF
AA ✗AA large ✓AAA ✗
On black
4.77
#357DB7 on #000000
AA ✓AA large ✓AAA ✗
Best text color
#000000 on #357DB7
4.77:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##357DB7 | #FFFFFF | #000000 | ##000000 |
|---|---|---|---|---|
| ##357DB7 | 1.00 | 4.40 | 4.77 | 4.77 |
| #FFFFFF | 4.40 | 1.00 | 21.00 | 21.00 |
| #000000 | 4.77 | 21.00 | 1.00 | 1.00 |
| ##000000 | 4.77 | 21.00 | 1.00 | 1.00 |
Color blindness preview
Protanopia (red-blind)
#637FBA
Deuteranopia (green-blind)
#5173B6
Tritanopia (blue-blind)
#008B92
Achromatopsia (no color)
#787878
Design tokens & code
CSS
--color: #357db7; /* rgb */ color: rgb(53, 125, 183); /* oklch */ color: oklch(57.1% 0.115 246.1);
Tailwind
colors: {
custom: {
50: '#7ca2cd',
500: '#357db7',
950: '#000000',
},
}SCSS
$custom: #357db7; $custom-light: #7ca2cd; $custom-dark: #000000;
JSON
{
"hex": "#357db7",
"rgb": {
"r": 53,
"g": 125,
"b": 183
},
"hsl": {
"h": 206.769,
"s": 55.085,
"l": 46.275
},
"oklch": {
"l": 0.57124,
"c": 0.11474,
"h": 246.1
},
"luminance": 0.18843
}Semantic roles & 50–950 ramp
primary
#357DB7
secondary
#C7A081
accent
#8C49DE
background
#F8F9FC
surface
#EFF2F9
border
#CACCD2
text
#0B0F13
muted
#7C7E82