#4590BF#4590BF
#4590BF is a light, moderate cyan. Relative luminance 0.250; OKLCH L 62.6% C 0.103 H 238.9°. Best body text is #000000 at 5.99:1 contrast (WCAG AA passes).
Color values
| HEX | #4590BF |
|---|---|
| RGB | rgb(69, 144, 191) |
| HSL | hsl(203, 49%, 51%) |
| HSV | hsv(203, 64%, 75%) |
| CMYK | cmyk(63.9%, 24.6%, 0%, 25.1%) |
| CIE-LAB | lab(57.05, -8.67, -31.33) |
| CIE-LCH | lch(57.05, 32.51, 254.54°) |
| OKLab | oklab(62.57% -0.0531 -0.088) |
| OKLCH | oklch(62.57% 0.103 238.9) |
| XYZ | xyz(21.8279, 24.9711, 52.9497) |
| Luminance | 0.2497 (WCAG relative) |
| Temperature | cool |
| Family | cyan |
Closest named colors
Water Blue
#0E87CC
ΔE00 4.66
Cool Blue
#4984B8
ΔE00 4.99
Dusty Blue
#5A86AD
ΔE00 5.22
Steel Blue
#4682B4
ΔE00 5.38
Off Blue
#5684AE
ΔE00 5.56
Cerulean (survey)
#0485D1
ΔE00 5.57
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#4590BF #BF7445
analogous
#45BFB1 #4590BF #4553BF
triadic
#4590BF #BF4590 #90BF45
tetradic
#4590BF #B145BF #BF7445 #53BF45
square
#4590BF #B145BF #BF7445 #53BF45
split-complementary
#4590BF #BF4553 #BFB145
monochromatic
#234D66 #336F94 #4590BF #73ABCF #A0C6DE
Accessibility & contrast
On white
3.50
#4590BF on #FFFFFF
AA ✗AA large ✓AAA ✗
On black
5.99
#4590BF on #000000
AA ✓AA large ✓AAA ✗
Best text color
#000000 on #4590BF
5.99:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##4590BF | #FFFFFF | #000000 | ##000000 |
|---|---|---|---|---|
| ##4590BF | 1.00 | 3.50 | 5.99 | 5.99 |
| #FFFFFF | 3.50 | 1.00 | 21.00 | 21.00 |
| #000000 | 5.99 | 21.00 | 1.00 | 1.00 |
| ##000000 | 5.99 | 21.00 | 1.00 | 1.00 |
Color blindness preview
Protanopia (red-blind)
#7A90C1
Deuteranopia (green-blind)
#6A84BE
Tritanopia (blue-blind)
#009CA0
Achromatopsia (no color)
#898989
Design tokens & code
CSS
--color: #4590bf; /* rgb */ color: rgb(69, 144, 191); /* oklch */ color: oklch(62.6% 0.103 238.9);
Tailwind
colors: {
custom: {
50: '#85b0d2',
500: '#4590bf',
950: '#000000',
},
}SCSS
$custom: #4590bf; $custom-light: #85b0d2; $custom-dark: #000000;
JSON
{
"hex": "#4590bf",
"rgb": {
"r": 69,
"g": 144,
"b": 191
},
"hsl": {
"h": 203.115,
"s": 48.8,
"l": 50.98
},
"oklch": {
"l": 0.62572,
"c": 0.10277,
"h": 238.9
},
"luminance": 0.24973
}Semantic roles & 50–950 ramp
primary
#4590BF
secondary
#CBAA95
accent
#844FD8
background
#F8FAFC
surface
#F0F4F9
border
#CBCED2
text
#0C1014
muted
#7D7F82