#1D5F80#1D5F80
#1D5F80 is a mid, moderate cyan. Relative luminance 0.100; OKLCH L 46.0% C 0.084 H 234.9°. Best body text is #FFFFFF at 7.00:1 contrast (WCAG AA passes).
Color values
| HEX | #1D5F80 |
|---|---|
| RGB | rgb(29, 95, 128) |
| HSL | hsl(200, 63%, 31%) |
| HSV | hsv(200, 77%, 50%) |
| CMYK | cmyk(77.3%, 25.8%, 0%, 49.8%) |
| CIE-LAB | lab(37.85, -8.56, -24.34) |
| CIE-LCH | lch(37.85, 25.80, 250.62°) |
| OKLab | oklab(46.03% -0.0482 -0.0686) |
| OKLCH | oklch(46.03% 0.084 234.9) |
| XYZ | xyz(8.4936, 10.0031, 21.9010) |
| Luminance | 0.1000 (WCAG relative) |
| Temperature | cool |
| Family | cyan |
Closest named colors
Ugly Blue
#31668A
ΔE00 3.61
Peacock Blue
#016795
ΔE00 4.03
Deep Sea Blue
#015482
ΔE00 5.26
Denim (survey)
#3B638C
ΔE00 6.28
Light Navy Blue
#2E5A88
ΔE00 6.42
Ocean Blue (survey)
#03719C
ΔE00 6.65
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#1D5F80 #803E1D
analogous
#1D806F #1D5F80 #1D2D80
triadic
#1D5F80 #801D5F #5F801D
tetradic
#1D5F80 #6F1D80 #803E1D #2D801D
square
#1D5F80 #6F1D80 #803E1D #2D801D
split-complementary
#1D5F80 #801D2D #806F1D
monochromatic
#06151C #123A4E #1D5F80 #2884B2 #43A4D4
Accessibility & contrast
On white
7.00
#1D5F80 on #FFFFFF
AA ✓AA large ✓AAA ✓
On black
3.00
#1D5F80 on #000000
AA ✗AA large ✓AAA ✗
Best text color
#FFFFFF on #1D5F80
7.00:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##1D5F80 | #FFFFFF | #000000 | ##FFFFFF |
|---|---|---|---|---|
| ##1D5F80 | 1.00 | 7.00 | 3.00 | 7.00 |
| #FFFFFF | 7.00 | 1.00 | 21.00 | 1.00 |
| #000000 | 3.00 | 21.00 | 1.00 | 21.00 |
| ##FFFFFF | 7.00 | 1.00 | 21.00 | 1.00 |
Color blindness preview
Protanopia (red-blind)
#4F5E82
Deuteranopia (green-blind)
#42557F
Tritanopia (blue-blind)
#00686A
Achromatopsia (no color)
#595959
Design tokens & code
CSS
--color: #1d5f80; /* rgb */ color: rgb(29, 95, 128); /* oklch */ color: oklch(46.0% 0.084 234.9);
Tailwind
colors: {
custom: {
50: '#688ca5',
500: '#1d5f80',
950: '#000000',
},
}SCSS
$custom: #1d5f80; $custom-light: #688ca5; $custom-dark: #000000;
JSON
{
"hex": "#1d5f80",
"rgb": {
"r": 29,
"g": 95,
"b": 128
},
"hsl": {
"h": 200,
"s": 63.057,
"l": 30.784
},
"oklch": {
"l": 0.46032,
"c": 0.08381,
"h": 234.9
},
"luminance": 0.10004
}Semantic roles & 50–950 ramp
primary
#1D5F80
secondary
#B36A45
accent
#7842E6
background
#F6F8FA
surface
#ECF0F4
border
#C7CBCE
text
#070C0F
muted
#7A7D7F