#597BB9#597BB9
#597BB9 is a mid, moderate blue. Relative luminance 0.198; OKLCH L 58.4% C 0.103 H 261.8°. Best body text is #000000 at 4.96:1 contrast (WCAG AA passes).
Color values
| HEX | #597BB9 |
|---|---|
| RGB | rgb(89, 123, 185) |
| HSL | hsl(219, 41%, 54%) |
| HSV | hsv(219, 52%, 73%) |
| CMYK | cmyk(51.9%, 33.5%, 0%, 27.5%) |
| CIE-LAB | lab(51.60, 5.80, -36.36) |
| CIE-LCH | lch(51.60, 36.82, 279.07°) |
| OKLab | oklab(58.45% -0.0148 -0.1024) |
| OKLCH | oklch(58.45% 0.103 261.8) |
| XYZ | xyz(19.9568, 19.7911, 48.6580) |
| Luminance | 0.1979 (WCAG relative) |
| Temperature | cool |
| Family | blue |
Closest named colors
Cornflower Blue
#5170D7
ΔE00 5.14
Off Blue
#5684AE
ΔE00 5.15
Windows Blue
#3778BF
ΔE00 5.18
Dusty Blue
#5A86AD
ΔE00 5.70
Cool Blue
#4984B8
ΔE00 5.99
Faded Blue
#658CBB
ΔE00 6.04
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#597BB9 #B99759
analogous
#59ABB9 #597BB9 #6759B9
triadic
#597BB9 #B9597B #7BB959
tetradic
#597BB9 #B959AB #B99759 #59B967
square
#597BB9 #B959AB #B99759 #59B967
split-complementary
#597BB9 #B96759 #ABB959
monochromatic
#2D436B #3F5E96 #597BB9 #849DCB #AFBFDD
Accessibility & contrast
On white
4.24
#597BB9 on #FFFFFF
AA ✗AA large ✓AAA ✗
On black
4.96
#597BB9 on #000000
AA ✓AA large ✓AAA ✗
Best text color
#000000 on #597BB9
4.96:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##597BB9 | #FFFFFF | #000000 | ##000000 |
|---|---|---|---|---|
| ##597BB9 | 1.00 | 4.24 | 4.96 | 4.96 |
| #FFFFFF | 4.24 | 1.00 | 21.00 | 21.00 |
| #000000 | 4.96 | 21.00 | 1.00 | 1.00 |
| ##000000 | 4.96 | 21.00 | 1.00 | 1.00 |
Color blindness preview
Protanopia (red-blind)
#6380BC
Deuteranopia (green-blind)
#5877B8
Tritanopia (blue-blind)
#2A8891
Achromatopsia (no color)
#7B7B7B
Design tokens & code
CSS
--color: #597bb9; /* rgb */ color: rgb(89, 123, 185); /* oklch */ color: oklch(58.4% 0.103 261.8);
Tailwind
colors: {
custom: {
50: '#8ea0ce',
500: '#597bb9',
950: '#000000',
},
}SCSS
$custom: #597bb9; $custom-light: #8ea0ce; $custom-dark: #000000;
JSON
{
"hex": "#597bb9",
"rgb": {
"r": 89,
"g": 123,
"b": 185
},
"hsl": {
"h": 218.75,
"s": 40.678,
"l": 53.725
},
"oklch": {
"l": 0.58449,
"c": 0.10347,
"h": 261.8
},
"luminance": 0.19793
}Semantic roles & 50–950 ramp
primary
#597BB9
secondary
#CBBDA2
accent
#A657D1
background
#F9F9FC
surface
#F1F2F9
border
#CBCCD2
text
#0D0E13
muted
#7E7E82