#397BAD#397BAD
#397BAD is a mid, moderate cyan. Relative luminance 0.181; OKLCH L 56.3% C 0.103 H 244.1°. Best body text is #000000 at 4.61:1 contrast (WCAG AA passes).
Color values
| HEX | #397BAD |
|---|---|
| RGB | rgb(57, 123, 173) |
| HSL | hsl(206, 50%, 45%) |
| HSV | hsv(206, 67%, 68%) |
| CMYK | cmyk(67.1%, 28.9%, 0%, 32.2%) |
| CIE-LAB | lab(49.56, -4.73, -32.73) |
| CIE-LCH | lch(49.56, 33.07, 261.78°) |
| OKLab | oklab(56.26% -0.0449 -0.0923) |
| OKLCH | oklch(56.26% 0.103 244.1) |
| XYZ | xyz(16.3103, 18.0512, 42.1517) |
| Luminance | 0.1805 (WCAG relative) |
| Temperature | cool |
| Family | cyan |
Closest named colors
Nice Blue
#107AB0
ΔE00 2.93
Steel Blue
#4682B4
ΔE00 2.96
Bluish
#2976BB
ΔE00 3.00
Flat Blue
#3C73A8
ΔE00 3.46
Windows Blue
#3778BF
ΔE00 3.49
Dull Blue
#49759C
ΔE00 3.64
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#397BAD #AD6B39
analogous
#39ADA5 #397BAD #3941AD
triadic
#397BAD #AD397B #7BAD39
tetradic
#397BAD #A539AD #AD6B39 #41AD39
square
#397BAD #A539AD #AD6B39 #41AD39
split-complementary
#397BAD #AD3941 #ADA539
monochromatic
#1B3A51 #2A5A7F #397BAD #5A99C9 #88B6D8
Accessibility & contrast
On white
4.55
#397BAD on #FFFFFF
AA ✓AA large ✓AAA ✗
On black
4.61
#397BAD on #000000
AA ✓AA large ✓AAA ✗
Best text color
#000000 on #397BAD
4.61:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##397BAD | #FFFFFF | #000000 | ##000000 |
|---|---|---|---|---|
| ##397BAD | 1.00 | 4.55 | 4.61 | 4.61 |
| #FFFFFF | 4.55 | 1.00 | 21.00 | 21.00 |
| #000000 | 4.61 | 21.00 | 1.00 | 1.00 |
| ##000000 | 4.61 | 21.00 | 1.00 | 1.00 |
Color blindness preview
Protanopia (red-blind)
#657CAF
Deuteranopia (green-blind)
#5571AC
Tritanopia (blue-blind)
#00878C
Achromatopsia (no color)
#767676
Design tokens & code
CSS
--color: #397bad; /* rgb */ color: rgb(57, 123, 173); /* oklch */ color: oklch(56.3% 0.103 244.1);
Tailwind
colors: {
custom: {
50: '#7ca1c5',
500: '#397bad',
950: '#000000',
},
}SCSS
$custom: #397bad; $custom-light: #7ca1c5; $custom-dark: #000000;
JSON
{
"hex": "#397bad",
"rgb": {
"r": 57,
"g": 123,
"b": 173
},
"hsl": {
"h": 205.862,
"s": 50.435,
"l": 45.098
},
"oklch": {
"l": 0.56261,
"c": 0.10269,
"h": 244.1
},
"luminance": 0.18053
}Semantic roles & 50–950 ramp
primary
#397BAD
secondary
#C29C80
accent
#8A4EDA
background
#F8F9FC
surface
#EFF2F8
border
#CACCD1
text
#0A0E13
muted
#7C7E82