#1F757B#1F757B
#1F757B is a mid, moderate teal. Relative luminance 0.144; OKLCH L 51.6% C 0.078 H 201.9°. Best body text is #FFFFFF at 5.40:1 contrast (WCAG AA passes).
Color values
| HEX | #1F757B |
|---|---|
| RGB | rgb(31, 117, 123) |
| HSL | hsl(184, 60%, 30%) |
| HSV | hsv(184, 75%, 48%) |
| CMYK | cmyk(74.8%, 4.9%, 0%, 51.8%) |
| CIE-LAB | lab(44.86, -22.42, -10.56) |
| CIE-LCH | lch(44.86, 24.79, 205.23°) |
| OKLab | oklab(51.61% -0.0728 -0.0293) |
| OKLCH | oklch(51.61% 0.078 201.9) |
| XYZ | xyz(10.4999, 14.4427, 20.9694) |
| Luminance | 0.1444 (WCAG relative) |
| Temperature | cool |
| Family | teal |
Closest named colors
Deep Aqua
#08787F
ΔE00 1.46
Deep Turquoise
#017374
ΔE00 3.09
Bluegreen
#017A79
ΔE00 4.11
Dark Aquamarine
#017371
ΔE00 4.29
Dark Aqua
#05696B
ΔE00 4.89
Teal
#008080
ΔE00 5.09
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#1F757B #7B251F
analogous
#1F7B53 #1F757B #1F477B
triadic
#1F757B #7B1F75 #757B1F
tetradic
#1F757B #531F7B #7B251F #477B1F
square
#1F757B #531F7B #7B251F #477B1F
split-complementary
#1F757B #7B1F47 #7B531F
monochromatic
#061819 #13474A #1F757B #2BA3AC #44C7D0
Accessibility & contrast
On white
5.40
#1F757B on #FFFFFF
AA ✓AA large ✓AAA ✗
On black
3.89
#1F757B on #000000
AA ✗AA large ✓AAA ✗
Best text color
#FFFFFF on #1F757B
5.40:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##1F757B | #FFFFFF | #000000 | ##FFFFFF |
|---|---|---|---|---|
| ##1F757B | 1.00 | 5.40 | 3.89 | 5.40 |
| #FFFFFF | 5.40 | 1.00 | 21.00 | 1.00 |
| #000000 | 3.89 | 21.00 | 1.00 | 21.00 |
| ##FFFFFF | 5.40 | 1.00 | 21.00 | 1.00 |
Color blindness preview
Protanopia (red-blind)
#6C707B
Deuteranopia (green-blind)
#5E667B
Tritanopia (blue-blind)
#007A77
Achromatopsia (no color)
#6A6A6A
Design tokens & code
CSS
--color: #1f757b; /* rgb */ color: rgb(31, 117, 123); /* oklch */ color: oklch(51.6% 0.078 201.9);
Tailwind
colors: {
custom: {
50: '#6b9da1',
500: '#1f757b',
950: '#000000',
},
}SCSS
$custom: #1f757b; $custom-light: #6b9da1; $custom-dark: #000000;
JSON
{
"hex": "#1f757b",
"rgb": {
"r": 31,
"g": 117,
"b": 123
},
"hsl": {
"h": 183.913,
"s": 59.74,
"l": 30.196
},
"oklch": {
"l": 0.51612,
"c": 0.07847,
"h": 201.9
},
"luminance": 0.14444
}Semantic roles & 50–950 ramp
primary
#1F757B
secondary
#AE4E48
accent
#4F45E3
background
#F6F9F9
surface
#ECF2F2
border
#C7CCCC
text
#070E0E
muted
#7A7E7E