#1F99A9#1F99A9
#1F99A9 is a light, moderate teal. Relative luminance 0.259; OKLCH L 62.8% C 0.102 H 208.7°. Best body text is #000000 at 6.19:1 contrast (WCAG AA passes).
Color values
| HEX | #1F99A9 |
|---|---|
| RGB | rgb(31, 153, 169) |
| HSL | hsl(187, 69%, 39%) |
| HSV | hsv(187, 82%, 66%) |
| CMYK | cmyk(81.7%, 9.5%, 0%, 33.7%) |
| CIE-LAB | lab(57.98, -25.92, -17.49) |
| CIE-LCH | lch(57.98, 31.27, 214.01°) |
| OKLab | oklab(62.76% -0.0892 -0.0487) |
| OKLCH | oklch(62.76% 0.102 208.7) |
| XYZ | xyz(19.1146, 25.9359, 41.5271) |
| Luminance | 0.2594 (WCAG relative) |
| Temperature | cool |
| Family | teal |
Closest named colors
Teal Blue
#01889F
ΔE00 6.47
Cadetblue
#5F9EA0
ΔE00 6.83
Turquoise Blue
#06B1C4
ΔE00 7.26
Dark Cyan
#0A888A
ΔE00 8.37
Darkcyan
#008B8B
ΔE00 8.37
Sea
#3C9992
ΔE00 8.92
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#1F99A9 #A92F1F
analogous
#1FA974 #1F99A9 #1F54A9
triadic
#1F99A9 #A91F99 #99A91F
tetradic
#1F99A9 #741FA9 #A92F1F #54A91F
square
#1F99A9 #741FA9 #A92F1F #54A91F
split-complementary
#1F99A9 #A91F54 #A9741F
monochromatic
#0C3B42 #166A75 #1F99A9 #2DC5D8 #60D3E2
Accessibility & contrast
On white
3.39
#1F99A9 on #FFFFFF
AA ✗AA large ✓AAA ✗
On black
6.19
#1F99A9 on #000000
AA ✓AA large ✓AAA ✗
Best text color
#000000 on #1F99A9
6.19:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##1F99A9 | #FFFFFF | #000000 | ##000000 |
|---|---|---|---|---|
| ##1F99A9 | 1.00 | 3.39 | 6.19 | 6.19 |
| #FFFFFF | 3.39 | 1.00 | 21.00 | 21.00 |
| #000000 | 6.19 | 21.00 | 1.00 | 1.00 |
| ##000000 | 6.19 | 21.00 | 1.00 | 1.00 |
Color blindness preview
Protanopia (red-blind)
#8A93AA
Deuteranopia (green-blind)
#7886A9
Tritanopia (blue-blind)
#00A19E
Achromatopsia (no color)
#8B8B8B
Design tokens & code
CSS
--color: #1f99a9; /* rgb */ color: rgb(31, 153, 169); /* oklch */ color: oklch(62.8% 0.102 208.7);
Tailwind
colors: {
custom: {
50: '#75b7c2',
500: '#1f99a9',
950: '#000000',
},
}SCSS
$custom: #1f99a9; $custom-light: #75b7c2; $custom-dark: #000000;
JSON
{
"hex": "#1f99a9",
"rgb": {
"r": 31,
"g": 153,
"b": 169
},
"hsl": {
"h": 186.957,
"s": 69,
"l": 39.216
},
"oklch": {
"l": 0.62764,
"c": 0.10164,
"h": 208.7
},
"luminance": 0.25938
}Semantic roles & 50–950 ramp
primary
#1F99A9
secondary
#C7695D
accent
#503CEC
background
#F7FBFB
surface
#EEF6F7
border
#C9D0D0
text
#0A1112
muted
#7C8081