#1F809C#1F809C
#1F809C is a mid, moderate cyan. Relative luminance 0.181; OKLCH L 55.9% C 0.095 H 222.3°. Best body text is #000000 at 4.63:1 contrast (WCAG AA passes).
Color values
| HEX | #1F809C |
|---|---|
| RGB | rgb(31, 128, 156) |
| HSL | hsl(193, 67%, 37%) |
| HSV | hsv(193, 80%, 61%) |
| CMYK | cmyk(80.1%, 17.9%, 0%, 38.8%) |
| CIE-LAB | lab(49.65, -17.16, -22.75) |
| CIE-LCH | lch(49.65, 28.49, 232.98°) |
| OKLab | oklab(55.89% -0.07 -0.0637) |
| OKLCH | oklch(55.89% 0.095 222.3) |
| XYZ | xyz(14.2825, 18.1282, 34.1924) |
| Luminance | 0.1813 (WCAG relative) |
| Temperature | cool |
| Family | cyan |
Closest named colors
Dirty Blue
#3F829D
ΔE00 2.97
Ocean
#017B92
ΔE00 3.26
Teal Blue
#01889F
ΔE00 4.01
Sea Blue
#047495
ΔE00 4.85
Cerulean
#007BA7
ΔE00 5.39
Ocean Blue (survey)
#03719C
ΔE00 7.60
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#1F809C #9C3B1F
analogous
#1F9C7A #1F809C #1F429C
triadic
#1F809C #9C1F80 #809C1F
tetradic
#1F809C #7A1F9C #9C3B1F #429C1F
square
#1F809C #7A1F9C #9C3B1F #429C1F
split-complementary
#1F809C #9C1F42 #9C7A1F
monochromatic
#0B2C36 #155669 #1F809C #29AACF #58C0DE
Accessibility & contrast
On white
4.54
#1F809C on #FFFFFF
AA ✓AA large ✓AAA ✗
On black
4.63
#1F809C on #000000
AA ✓AA large ✓AAA ✗
Best text color
#000000 on #1F809C
4.63:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##1F809C | #FFFFFF | #000000 | ##000000 |
|---|---|---|---|---|
| ##1F809C | 1.00 | 4.54 | 4.63 | 4.63 |
| #FFFFFF | 4.54 | 1.00 | 21.00 | 21.00 |
| #000000 | 4.63 | 21.00 | 1.00 | 1.00 |
| ##000000 | 4.63 | 21.00 | 1.00 | 1.00 |
Color blindness preview
Protanopia (red-blind)
#707D9D
Deuteranopia (green-blind)
#5F719C
Tritanopia (blue-blind)
#008989
Achromatopsia (no color)
#767676
Design tokens & code
CSS
--color: #1f809c; /* rgb */ color: rgb(31, 128, 156); /* oklch */ color: oklch(55.9% 0.095 222.3);
Tailwind
colors: {
custom: {
50: '#70a5b9',
500: '#1f809c',
950: '#000000',
},
}SCSS
$custom: #1f809c; $custom-light: #70a5b9; $custom-dark: #000000;
JSON
{
"hex": "#1f809c",
"rgb": {
"r": 31,
"g": 128,
"b": 156
},
"hsl": {
"h": 193.44,
"s": 66.845,
"l": 36.667
},
"oklch": {
"l": 0.5589,
"c": 0.09465,
"h": 222.3
},
"luminance": 0.1813
}Semantic roles & 50–950 ramp
primary
#1F809C
secondary
#C16E55
accent
#653EEA
background
#F7FAFB
surface
#EDF4F6
border
#C8CED0
text
#090F11
muted
#7B7F80