#607FB5#607FB5
#607FB5 is a mid, moderate blue. Relative luminance 0.210; OKLCH L 59.5% C 0.090 H 261.1°. Best body text is #000000 at 5.20:1 contrast (WCAG AA passes).
Color values
| HEX | #607FB5 |
|---|---|
| RGB | rgb(96, 127, 181) |
| HSL | hsl(218, 36%, 54%) |
| HSV | hsv(218, 47%, 71%) |
| CMYK | cmyk(47%, 29.8%, 0%, 29%) |
| CIE-LAB | lab(52.95, 3.87, -31.91) |
| CIE-LCH | lch(52.95, 32.15, 276.92°) |
| OKLab | oklab(59.55% -0.014 -0.0894) |
| OKLCH | oklch(59.55% 0.09 261.1) |
| XYZ | xyz(20.7510, 21.0004, 46.6671) |
| Luminance | 0.2100 (WCAG relative) |
| Temperature | cool |
| Family | blue |
Closest named colors
Off Blue
#5684AE
ΔE00 4.75
Faded Blue
#658CBB
ΔE00 4.79
Dusty Blue
#5A86AD
ΔE00 5.09
Cool Blue
#4984B8
ΔE00 5.92
Slate Blue (survey)
#5B7C99
ΔE00 6.09
Steel Blue
#4682B4
ΔE00 6.21
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#607FB5 #B59660
analogous
#60AAB5 #607FB5 #6C60B5
triadic
#607FB5 #B5607F #7FB560
tetradic
#607FB5 #B560AA #B59660 #60B56C
square
#607FB5 #B560AA #B59660 #60B56C
split-complementary
#607FB5 #B56C60 #AAB560
monochromatic
#31466A #456193 #607FB5 #8AA1C8 #B4C2DC
Accessibility & contrast
On white
4.04
#607FB5 on #FFFFFF
AA ✗AA large ✓AAA ✗
On black
5.20
#607FB5 on #000000
AA ✓AA large ✓AAA ✗
Best text color
#000000 on #607FB5
5.20:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##607FB5 | #FFFFFF | #000000 | ##000000 |
|---|---|---|---|---|
| ##607FB5 | 1.00 | 4.04 | 5.20 | 5.20 |
| #FFFFFF | 4.04 | 1.00 | 21.00 | 21.00 |
| #000000 | 5.20 | 21.00 | 1.00 | 1.00 |
| ##000000 | 5.20 | 21.00 | 1.00 | 1.00 |
Color blindness preview
Protanopia (red-blind)
#6B83B7
Deuteranopia (green-blind)
#617BB4
Tritanopia (blue-blind)
#3E8B92
Achromatopsia (no color)
#7E7E7E
Design tokens & code
CSS
--color: #607fb5; /* rgb */ color: rgb(96, 127, 181); /* oklch */ color: oklch(59.5% 0.090 261.1);
Tailwind
colors: {
custom: {
50: '#91a3cb',
500: '#607fb5',
950: '#000000',
},
}SCSS
$custom: #607fb5; $custom-light: #91a3cb; $custom-dark: #000000;
JSON
{
"hex": "#607fb5",
"rgb": {
"r": 96,
"g": 127,
"b": 181
},
"hsl": {
"h": 218.118,
"s": 36.481,
"l": 54.314
},
"oklch": {
"l": 0.59547,
"c": 0.09048,
"h": 261.1
},
"luminance": 0.21002
}Semantic roles & 50–950 ramp
primary
#607FB5
secondary
#CABDA6
accent
#A35BCC
background
#F9FAFC
surface
#F1F3F8
border
#CBCDD1
text
#0D0F13
muted
#7E7F82