#1D6BB3#1D6BB3
#1D6BB3 is a mid, vivid cyan. Relative luminance 0.140; OKLCH L 52.0% C 0.135 H 251.0°. Best body text is #FFFFFF at 5.52:1 contrast (WCAG AA passes).
Color values
| HEX | #1D6BB3 |
|---|---|
| RGB | rgb(29, 107, 179) |
| HSL | hsl(209, 72%, 41%) |
| HSV | hsv(209, 84%, 70%) |
| CMYK | cmyk(83.8%, 40.2%, 0%, 29.8%) |
| CIE-LAB | lab(44.28, 3.61, -44.63) |
| CIE-LCH | lch(44.28, 44.77, 274.62°) |
| OKLab | oklab(51.98% -0.0439 -0.1276) |
| OKLCH | oklch(51.98% 0.135 251) |
| XYZ | xyz(13.8980, 14.0295, 44.6146) |
| Luminance | 0.1403 (WCAG relative) |
| Temperature | cool |
| Family | cyan |
Closest named colors
Mid Blue
#276AB3
ΔE00 1.13
Medium Blue
#2C6FBB
ΔE00 2.18
Flat Blue
#3C73A8
ΔE00 3.42
Muted Blue
#3B719F
ΔE00 3.55
Bluish
#2976BB
ΔE00 4.06
French Blue
#436BAD
ΔE00 4.47
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#1D6BB3 #B3651D
analogous
#1DB3B0 #1D6BB3 #1D20B3
triadic
#1D6BB3 #B31D6B #6BB31D
tetradic
#1D6BB3 #B01DB3 #B3651D #20B31D
square
#1D6BB3 #B01DB3 #B3651D #20B31D
split-complementary
#1D6BB3 #B31D20 #B3B01D
monochromatic
#0C2C4A #144C7E #1D6BB3 #308ADD #64A8E6
Accessibility & contrast
On white
5.52
#1D6BB3 on #FFFFFF
AA ✓AA large ✓AAA ✗
On black
3.81
#1D6BB3 on #000000
AA ✗AA large ✓AAA ✗
Best text color
#FFFFFF on #1D6BB3
5.52:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##1D6BB3 | #FFFFFF | #000000 | ##FFFFFF |
|---|---|---|---|---|
| ##1D6BB3 | 1.00 | 5.52 | 3.81 | 5.52 |
| #FFFFFF | 5.52 | 1.00 | 21.00 | 1.00 |
| #000000 | 3.81 | 21.00 | 1.00 | 21.00 |
| ##FFFFFF | 5.52 | 1.00 | 21.00 | 1.00 |
Color blindness preview
Protanopia (red-blind)
#4870B6
Deuteranopia (green-blind)
#2F63B2
Tritanopia (blue-blind)
#007C86
Achromatopsia (no color)
#696969
Design tokens & code
CSS
--color: #1d6bb3; /* rgb */ color: rgb(29, 107, 179); /* oklch */ color: oklch(52.0% 0.135 251.0);
Tailwind
colors: {
custom: {
50: '#7394ca',
500: '#1d6bb3',
950: '#000000',
},
}SCSS
$custom: #1d6bb3; $custom-light: #7394ca; $custom-dark: #000000;
JSON
{
"hex": "#1d6bb3",
"rgb": {
"r": 29,
"g": 107,
"b": 179
},
"hsl": {
"h": 208.8,
"s": 72.115,
"l": 40.784
},
"oklch": {
"l": 0.51984,
"c": 0.13495,
"h": 251
},
"luminance": 0.14031
}Semantic roles & 50–950 ramp
primary
#1D6BB3
secondary
#CB9461
accent
#9039EF
background
#F7F9FC
surface
#EEF1F8
border
#C9CBD1
text
#0A0D13
muted
#7C7E82