#1586B4#1586B4
#1586B4 is a mid, moderate cyan. Relative luminance 0.205; OKLCH L 58.4% C 0.115 H 232.7°. Best body text is #000000 at 5.10:1 contrast (WCAG AA passes).
Color values
| HEX | #1586B4 |
|---|---|
| RGB | rgb(21, 134, 180) |
| HSL | hsl(197, 79%, 39%) |
| HSV | hsv(197, 88%, 71%) |
| CMYK | cmyk(88.3%, 25.6%, 0%, 29.4%) |
| CIE-LAB | lab(52.40, -12.74, -32.39) |
| CIE-LCH | lch(52.40, 34.80, 248.53°) |
| OKLab | oklab(58.39% -0.0697 -0.0915) |
| OKLCH | oklch(58.39% 0.115 232.7) |
| XYZ | xyz(17.0692, 20.5027, 46.2289) |
| Luminance | 0.2051 (WCAG relative) |
| Temperature | cool |
| Family | cyan |
Closest named colors
Cerulean
#007BA7
ΔE00 4.22
Dirty Blue
#3F829D
ΔE00 5.12
Nice Blue
#107AB0
ΔE00 5.15
Water Blue
#0E87CC
ΔE00 5.36
Steel Blue
#4682B4
ΔE00 5.86
Cool Blue
#4984B8
ΔE00 6.37
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#1586B4 #B44315
analogous
#15B492 #1586B4 #1537B4
triadic
#1586B4 #B41586 #86B415
tetradic
#1586B4 #9215B4 #B44315 #37B415
square
#1586B4 #9215B4 #B44315 #37B415
split-complementary
#1586B4 #B41537 #B49215
monochromatic
#083446 #0F5D7D #1586B4 #21ACE5 #58C1EC
Accessibility & contrast
On white
4.12
#1586B4 on #FFFFFF
AA ✗AA large ✓AAA ✗
On black
5.10
#1586B4 on #000000
AA ✓AA large ✓AAA ✗
Best text color
#000000 on #1586B4
5.10:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##1586B4 | #FFFFFF | #000000 | ##000000 |
|---|---|---|---|---|
| ##1586B4 | 1.00 | 4.12 | 5.10 | 5.10 |
| #FFFFFF | 4.12 | 1.00 | 21.00 | 21.00 |
| #000000 | 5.10 | 21.00 | 1.00 | 1.00 |
| ##000000 | 5.10 | 21.00 | 1.00 | 1.00 |
Color blindness preview
Protanopia (red-blind)
#6F85B6
Deuteranopia (green-blind)
#5B77B3
Tritanopia (blue-blind)
#009296
Achromatopsia (no color)
#7D7D7D
Design tokens & code
CSS
--color: #1586b4; /* rgb */ color: rgb(21, 134, 180); /* oklch */ color: oklch(58.4% 0.115 232.7);
Tailwind
colors: {
custom: {
50: '#73a9ca',
500: '#1586b4',
950: '#000000',
},
}SCSS
$custom: #1586b4; $custom-light: #73a9ca; $custom-dark: #000000;
JSON
{
"hex": "#1586b4",
"rgb": {
"r": 21,
"g": 134,
"b": 180
},
"hsl": {
"h": 197.358,
"s": 79.104,
"l": 39.412
},
"oklch": {
"l": 0.5839,
"c": 0.11505,
"h": 232.7
},
"luminance": 0.20505
}Semantic roles & 50–950 ramp
primary
#1586B4
secondary
#CF7956
accent
#6B32F6
background
#F7FAFC
surface
#EEF4F8
border
#C9CED1
text
#0A0F13
muted
#7C7F82