#397AB6#397AB6
#397AB6 is a mid, moderate cyan. Relative luminance 0.182; OKLCH L 56.5% C 0.115 H 248.9°. Best body text is #000000 at 4.63:1 contrast (WCAG AA passes).
Color values
| HEX | #397AB6 |
|---|---|
| RGB | rgb(57, 122, 182) |
| HSL | hsl(209, 52%, 47%) |
| HSV | hsv(209, 69%, 71%) |
| CMYK | cmyk(68.7%, 33%, 0%, 28.6%) |
| CIE-LAB | lab(49.70, -0.97, -37.72) |
| CIE-LCH | lch(49.70, 37.74, 268.52°) |
| OKLab | oklab(56.51% -0.0412 -0.1069) |
| OKLCH | oklch(56.51% 0.115 248.9) |
| XYZ | xyz(17.0872, 18.1645, 46.8525) |
| Luminance | 0.1817 (WCAG relative) |
| Temperature | cool |
| Family | cyan |
Closest named colors
Windows Blue
#3778BF
ΔE00 1.61
Bluish
#2976BB
ΔE00 1.75
Flat Blue
#3C73A8
ΔE00 2.96
Steel Blue
#4682B4
ΔE00 3.20
Cool Blue
#4984B8
ΔE00 3.84
Dull Blue
#49759C
ΔE00 4.02
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#397AB6 #B67539
analogous
#39B6B4 #397AB6 #393CB6
triadic
#397AB6 #B6397A #7AB639
tetradic
#397AB6 #B439B6 #B67539 #3CB639
square
#397AB6 #B439B6 #B67539 #3CB639
split-complementary
#397AB6 #B6393C #B6B439
monochromatic
#1C3C59 #2A5B87 #397AB6 #5F98CD #8EB6DC
Accessibility & contrast
On white
4.53
#397AB6 on #FFFFFF
AA ✓AA large ✓AAA ✗
On black
4.63
#397AB6 on #000000
AA ✓AA large ✓AAA ✗
Best text color
#000000 on #397AB6
4.63:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##397AB6 | #FFFFFF | #000000 | ##000000 |
|---|---|---|---|---|
| ##397AB6 | 1.00 | 4.53 | 4.63 | 4.63 |
| #FFFFFF | 4.53 | 1.00 | 21.00 | 21.00 |
| #000000 | 4.63 | 21.00 | 1.00 | 1.00 |
| ##000000 | 4.63 | 21.00 | 1.00 | 1.00 |
Color blindness preview
Protanopia (red-blind)
#5F7DB9
Deuteranopia (green-blind)
#4E71B5
Tritanopia (blue-blind)
#008890
Achromatopsia (no color)
#767676
Design tokens & code
CSS
--color: #397ab6; /* rgb */ color: rgb(57, 122, 182); /* oklch */ color: oklch(56.5% 0.115 248.9);
Tailwind
colors: {
custom: {
50: '#7da0cc',
500: '#397ab6',
950: '#000000',
},
}SCSS
$custom: #397ab6; $custom-light: #7da0cc; $custom-dark: #000000;
JSON
{
"hex": "#397ab6",
"rgb": {
"r": 57,
"g": 122,
"b": 182
},
"hsl": {
"h": 208.8,
"s": 52.301,
"l": 46.863
},
"oklch": {
"l": 0.56511,
"c": 0.11453,
"h": 248.9
},
"luminance": 0.18166
}Semantic roles & 50–950 ramp
primary
#397AB6
secondary
#C6A485
accent
#914CDC
background
#F8F9FC
surface
#EFF2F9
border
#CACCD2
text
#0B0E13
muted
#7C7E82