#607BB4#607BB4
#607BB4 is a mid, moderate blue. Relative luminance 0.199; OKLCH L 58.6% C 0.094 H 264.3°. Best body text is #000000 at 4.99:1 contrast (WCAG AA passes).
Color values
| HEX | #607BB4 |
|---|---|
| RGB | rgb(96, 123, 180) |
| HSL | hsl(221, 36%, 54%) |
| HSV | hsv(221, 47%, 71%) |
| CMYK | cmyk(46.7%, 31.7%, 0%, 29.4%) |
| CIE-LAB | lab(51.78, 5.96, -33.17) |
| CIE-LCH | lch(51.78, 33.70, 280.18°) |
| OKLab | oklab(58.62% -0.0092 -0.093) |
| OKLCH | oklch(58.62% 0.094 264.3) |
| XYZ | xyz(20.1424, 19.9468, 45.9599) |
| Luminance | 0.1995 (WCAG relative) |
| Temperature | cool |
| Family | blue |
Closest named colors
Cornflower Blue
#5170D7
ΔE00 5.79
Off Blue
#5684AE
ΔE00 6.02
Faded Blue
#658CBB
ΔE00 6.36
Slate Blue (survey)
#5B7C99
ΔE00 6.39
Dusty Blue
#5A86AD
ΔE00 6.41
Steel Blue (survey)
#5A7D9A
ΔE00 6.70
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#607BB4 #B49960
analogous
#60A5B4 #607BB4 #6F60B4
triadic
#607BB4 #B4607B #7BB460
tetradic
#607BB4 #B460A5 #B49960 #60B46F
square
#607BB4 #B460A5 #B49960 #60B46F
split-complementary
#607BB4 #B46F60 #A5B460
monochromatic
#314368 #455E92 #607BB4 #8A9EC8 #B3C0DB
Accessibility & contrast
On white
4.21
#607BB4 on #FFFFFF
AA ✗AA large ✓AAA ✗
On black
4.99
#607BB4 on #000000
AA ✓AA large ✓AAA ✗
Best text color
#000000 on #607BB4
4.99:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##607BB4 | #FFFFFF | #000000 | ##000000 |
|---|---|---|---|---|
| ##607BB4 | 1.00 | 4.21 | 4.99 | 4.99 |
| #FFFFFF | 4.21 | 1.00 | 21.00 | 21.00 |
| #000000 | 4.99 | 21.00 | 1.00 | 1.00 |
| ##000000 | 4.99 | 21.00 | 1.00 | 1.00 |
Color blindness preview
Protanopia (red-blind)
#6680B6
Deuteranopia (green-blind)
#5D78B3
Tritanopia (blue-blind)
#3F878F
Achromatopsia (no color)
#7B7B7B
Design tokens & code
CSS
--color: #607bb4; /* rgb */ color: rgb(96, 123, 180); /* oklch */ color: oklch(58.6% 0.094 264.3);
Tailwind
colors: {
custom: {
50: '#91a1ca',
500: '#607bb4',
950: '#000000',
},
}SCSS
$custom: #607bb4; $custom-light: #91a1ca; $custom-dark: #000000;
JSON
{
"hex": "#607bb4",
"rgb": {
"r": 96,
"g": 123,
"b": 180
},
"hsl": {
"h": 220.714,
"s": 35.897,
"l": 54.118
},
"oklch": {
"l": 0.58618,
"c": 0.09351,
"h": 264.3
},
"luminance": 0.19948
}Semantic roles & 50–950 ramp
primary
#607BB4
secondary
#CABEA6
accent
#A85CCC
background
#F9F9FC
surface
#F1F2F8
border
#CBCCD1
text
#0D0E13
muted
#7E7E82