#4B7DCB#4B7DCB
#4B7DCB is a mid, vivid blue. Relative luminance 0.205; OKLCH L 59.2% C 0.132 H 259.0°. Best body text is #000000 at 5.09:1 contrast (WCAG AA passes).
Color values
| HEX | #4B7DCB |
|---|---|
| RGB | rgb(75, 125, 203) |
| HSL | hsl(217, 55%, 55%) |
| HSV | hsv(217, 63%, 80%) |
| CMYK | cmyk(63.1%, 38.4%, 0%, 20.4%) |
| CIE-LAB | lab(52.37, 7.64, -45.48) |
| CIE-LCH | lch(52.37, 46.12, 279.53°) |
| OKLab | oklab(59.15% -0.0252 -0.1293) |
| OKLCH | oklch(59.15% 0.132 259) |
| XYZ | xyz(21.0109, 20.4729, 59.3327) |
| Luminance | 0.2047 (WCAG relative) |
| Temperature | cool |
| Family | blue |
Closest named colors
Windows Blue
#3778BF
ΔE00 3.70
Cool Blue
#4984B8
ΔE00 4.53
Off Blue
#5684AE
ΔE00 4.62
Steel Blue
#4682B4
ΔE00 4.82
Clear Blue
#247AFD
ΔE00 4.83
Deep Sky Blue
#0D75F8
ΔE00 4.91
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#4B7DCB #CB994B
analogous
#4BBDCB #4B7DCB #594BCB
triadic
#4B7DCB #CB4B7D #7DCB4B
tetradic
#4B7DCB #CB4BBD #CB994B #4BCB59
square
#4B7DCB #CB4BBD #CB994B #4BCB59
split-complementary
#4B7DCB #CB594B #BDCB4B
monochromatic
#234479 #315FA8 #4B7DCB #7A9FD9 #AAC2E6
Accessibility & contrast
On white
4.12
#4B7DCB on #FFFFFF
AA ✗AA large ✓AAA ✗
On black
5.09
#4B7DCB on #000000
AA ✓AA large ✓AAA ✗
Best text color
#000000 on #4B7DCB
5.09:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##4B7DCB | #FFFFFF | #000000 | ##000000 |
|---|---|---|---|---|
| ##4B7DCB | 1.00 | 4.12 | 5.09 | 5.09 |
| #FFFFFF | 4.12 | 1.00 | 21.00 | 21.00 |
| #000000 | 5.09 | 21.00 | 1.00 | 1.00 |
| ##000000 | 5.09 | 21.00 | 1.00 | 1.00 |
Color blindness preview
Protanopia (red-blind)
#5B83CE
Deuteranopia (green-blind)
#4977C9
Tritanopia (blue-blind)
#008F9A
Achromatopsia (no color)
#7D7D7D
Design tokens & code
CSS
--color: #4b7dcb; /* rgb */ color: rgb(75, 125, 203); /* oklch */ color: oklch(59.2% 0.132 259.0);
Tailwind
colors: {
custom: {
50: '#89a2db',
500: '#4b7dcb',
950: '#000000',
},
}SCSS
$custom: #4b7dcb; $custom-light: #89a2db; $custom-dark: #000000;
JSON
{
"hex": "#4b7dcb",
"rgb": {
"r": 75,
"g": 125,
"b": 203
},
"hsl": {
"h": 216.563,
"s": 55.172,
"l": 54.51
},
"oklch": {
"l": 0.59153,
"c": 0.13169,
"h": 259
},
"luminance": 0.20475
}Semantic roles & 50–950 ramp
primary
#4B7DCB
secondary
#D4BF9E
accent
#A449DF
background
#F8F9FD
surface
#F0F2FB
border
#CBCCD4
text
#0D0F15
muted
#7D7E83