#1B6EB4#1B6EB4
#1B6EB4 is a mid, vivid cyan. Relative luminance 0.147; OKLCH L 52.7% C 0.134 H 249.4°. Best body text is #FFFFFF at 5.34:1 contrast (WCAG AA passes).
Color values
| HEX | #1B6EB4 |
|---|---|
| RGB | rgb(27, 110, 180) |
| HSL | hsl(207, 74%, 41%) |
| HSV | hsv(207, 85%, 71%) |
| CMYK | cmyk(85%, 38.9%, 0%, 29.4%) |
| CIE-LAB | lab(45.19, 1.95, -43.75) |
| CIE-LCH | lch(45.19, 43.80, 272.55°) |
| OKLab | oklab(52.71% -0.0469 -0.125) |
| OKLCH | oklch(52.71% 0.134 249.4) |
| XYZ | xyz(14.2630, 14.6784, 45.2526) |
| Luminance | 0.1468 (WCAG relative) |
| Temperature | cool |
| Family | cyan |
Closest named colors
Medium Blue
#2C6FBB
ΔE00 2.18
Mid Blue
#276AB3
ΔE00 2.19
Flat Blue
#3C73A8
ΔE00 2.84
Bluish
#2976BB
ΔE00 3.02
Muted Blue
#3B719F
ΔE00 3.11
Windows Blue
#3778BF
ΔE00 4.35
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#1B6EB4 #B4611B
analogous
#1BB4AD #1B6EB4 #1B21B4
triadic
#1B6EB4 #B41B6E #6EB41B
tetradic
#1B6EB4 #AD1BB4 #B4611B #21B41B
square
#1B6EB4 #AD1BB4 #B4611B #21B41B
split-complementary
#1B6EB4 #B41B21 #B4AD1B
monochromatic
#0B2D4A #134D7F #1B6EB4 #2D8EDF #62AAE7
Accessibility & contrast
On white
5.34
#1B6EB4 on #FFFFFF
AA ✓AA large ✓AAA ✗
On black
3.94
#1B6EB4 on #000000
AA ✗AA large ✓AAA ✗
Best text color
#FFFFFF on #1B6EB4
5.34:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##1B6EB4 | #FFFFFF | #000000 | ##FFFFFF |
|---|---|---|---|---|
| ##1B6EB4 | 1.00 | 5.34 | 3.94 | 5.34 |
| #FFFFFF | 5.34 | 1.00 | 21.00 | 1.00 |
| #000000 | 3.94 | 21.00 | 1.00 | 21.00 |
| ##FFFFFF | 5.34 | 1.00 | 21.00 | 1.00 |
Color blindness preview
Protanopia (red-blind)
#4C72B7
Deuteranopia (green-blind)
#3465B3
Tritanopia (blue-blind)
#007F88
Achromatopsia (no color)
#6B6B6B
Design tokens & code
CSS
--color: #1b6eb4; /* rgb */ color: rgb(27, 110, 180); /* oklch */ color: oklch(52.7% 0.134 249.4);
Tailwind
colors: {
custom: {
50: '#7397cb',
500: '#1b6eb4',
950: '#000000',
},
}SCSS
$custom: #1b6eb4; $custom-light: #7397cb; $custom-dark: #000000;
JSON
{
"hex": "#1b6eb4",
"rgb": {
"r": 27,
"g": 110,
"b": 180
},
"hsl": {
"h": 207.451,
"s": 73.913,
"l": 40.588
},
"oklch": {
"l": 0.52708,
"c": 0.13354,
"h": 249.4
},
"luminance": 0.1468
}Semantic roles & 50–950 ramp
primary
#1B6EB4
secondary
#CC915F
accent
#8C37F1
background
#F7F9FC
surface
#EEF2F8
border
#C9CCD1
text
#0A0D13
muted
#7C7E82