#1D6EB3#1D6EB3
#1D6EB3 is a mid, vivid cyan. Relative luminance 0.147; OKLCH L 52.7% C 0.132 H 249.4°. Best body text is #FFFFFF at 5.34:1 contrast (WCAG AA passes).
Color values
| HEX | #1D6EB3 |
|---|---|
| RGB | rgb(29, 110, 179) |
| HSL | hsl(208, 72%, 41%) |
| HSV | hsv(208, 84%, 70%) |
| CMYK | cmyk(83.8%, 38.5%, 0%, 29.8%) |
| CIE-LAB | lab(45.17, 1.73, -43.20) |
| CIE-LCH | lch(45.17, 43.23, 272.30°) |
| OKLab | oklab(52.69% -0.0464 -0.1234) |
| OKLCH | oklch(52.69% 0.132 249.4) |
| XYZ | xyz(14.2162, 14.6660, 44.7206) |
| Luminance | 0.1467 (WCAG relative) |
| Temperature | cool |
| Family | cyan |
Closest named colors
Mid Blue
#276AB3
ΔE00 2.17
Medium Blue
#2C6FBB
ΔE00 2.18
Flat Blue
#3C73A8
ΔE00 2.77
Muted Blue
#3B719F
ΔE00 3.02
Bluish
#2976BB
ΔE00 3.04
Windows Blue
#3778BF
ΔE00 4.35
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#1D6EB3 #B3621D
analogous
#1DB3AD #1D6EB3 #1D23B3
triadic
#1D6EB3 #B31D6E #6EB31D
tetradic
#1D6EB3 #AD1DB3 #B3621D #23B31D
square
#1D6EB3 #AD1DB3 #B3621D #23B31D
split-complementary
#1D6EB3 #B31D23 #B3AD1D
monochromatic
#0C2D4A #144E7E #1D6EB3 #308EDD #64AAE6
Accessibility & contrast
On white
5.34
#1D6EB3 on #FFFFFF
AA ✓AA large ✓AAA ✗
On black
3.93
#1D6EB3 on #000000
AA ✗AA large ✓AAA ✗
Best text color
#FFFFFF on #1D6EB3
5.34:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##1D6EB3 | #FFFFFF | #000000 | ##FFFFFF |
|---|---|---|---|---|
| ##1D6EB3 | 1.00 | 5.34 | 3.93 | 5.34 |
| #FFFFFF | 5.34 | 1.00 | 21.00 | 1.00 |
| #000000 | 3.93 | 21.00 | 1.00 | 21.00 |
| ##FFFFFF | 5.34 | 1.00 | 21.00 | 1.00 |
Color blindness preview
Protanopia (red-blind)
#4D72B6
Deuteranopia (green-blind)
#3565B2
Tritanopia (blue-blind)
#007F88
Achromatopsia (no color)
#6B6B6B
Design tokens & code
CSS
--color: #1d6eb3; /* rgb */ color: rgb(29, 110, 179); /* oklch */ color: oklch(52.7% 0.132 249.4);
Tailwind
colors: {
custom: {
50: '#7397ca',
500: '#1d6eb3',
950: '#000000',
},
}SCSS
$custom: #1d6eb3; $custom-light: #7397ca; $custom-dark: #000000;
JSON
{
"hex": "#1d6eb3",
"rgb": {
"r": 29,
"g": 110,
"b": 179
},
"hsl": {
"h": 207.6,
"s": 72.115,
"l": 40.784
},
"oklch": {
"l": 0.52687,
"c": 0.1318,
"h": 249.4
},
"luminance": 0.14668
}Semantic roles & 50–950 ramp
primary
#1D6EB3
secondary
#CB9261
accent
#8D39EF
background
#F7F9FC
surface
#EEF2F8
border
#C9CCD1
text
#0A0D13
muted
#7C7E82