#1FA0B0
Closest named color: Sea (#3C9992). oklch(64.8% 0.105 208), rgb(31, 160, 176).
Aa
Black text reads best on this color (6.71:1).
About this color
#1FA0B0 is a medium-light, moderately saturated teal or cyan. In OKLCH its lightness is 65%, its chroma 0.105 and its hue 208°. Its hue sits on the cool side of the wheel. The nearest named color is Sea (#3C9992), ΔE 0.043 away. Black text reads best on it, at 6.71:1.
| Hue family | Teals and cyans |
| Lightness | medium-light (65%) |
| Chroma | moderately saturated (0.105) |
| Temperature | cool |
| Nearest name | Sea (#3C9992) |
| Black text | 6.71:1 |
| White text | 3.12:1 |
Values
| HEX | #1FA0B0 |
| RGB | rgb(31, 160, 176) |
| HSL | hsl(187, 70%, 41%) |
| OKLCH | oklch(64.8% 0.105 208) |
Contrast
WCAG 2 contrast ratios are the conformance target: AA needs 4.5:1 for body text and 3:1 for large text, AAA needs 7:1. APCA Lc values are supplementary guidance from the WCAG 3 drafts.
| Pair | WCAG 2 | Result | APCA | APCA guidance |
|---|---|---|---|---|
| White text on #1FA0B0 | 3.12:1 | AA large text | Lc -63.3 | Content text, not long reading |
| Black text on #1FA0B0 | 6.71:1 | AA | Lc 46.2 | Large or bold text, headings |
| #1FA0B0 text on white | 3.12:1 | AA large text | Lc 57.9 | Large or bold text, headings |
| #1FA0B0 text on black | 6.71:1 | AA | Lc -43.9 | Non-text elements, placeholder text |
Tints and shades
A 50–950 scale built in OKLCH: the hue is held, lightness follows a Tailwind v4-like curve, and every step is kept inside the sRGB gamut. This color sits at step 500.
-
Step 50
50
#F0F7F8
oklch(97.1% 0.008 207.1)
-
Step 100
100
#DFEDEF
oklch(93.6% 0.015 207.1)
-
Step 200
200
#C4DFE3
oklch(88.5% 0.029 207.4)
-
Step 300
300
#9ACAD2
oklch(80.8% 0.051 208.8)
-
Step 400
400
#5CAFBB
oklch(70.6% 0.082 207.7)
-
Step 500
500 (this color)
#1FA0B0
oklch(64.8% 0.105 208)
-
Step 600
600
#008290
oklch(55.5% 0.095 208)
-
Step 700
700
#006E7A
oklch(49.2% 0.085 207.9)
-
Step 800
800
#005A64
oklch(42.8% 0.073 207.9)
-
Step 900
900
#004B53
oklch(37.7% 0.065 207)
-
Step 950
950
#042C31
oklch(26.9% 0.043 207.4)
#1FA0B0 with color blindness
Simulated with the Machado et al. (2009) model. ΔE is how far the color moves: below about 0.02 you would not notice a change.
| Vision | Seen as | Shift (ΔE) |
|---|---|---|
| Protanopia (no red cones) | #919AB1 | 0.101 |
| Deuteranopia (no green cones) | #7E8CB0 | 0.092 |
| Tritanopia (no blue cones) | #00A8A5 | 0.033 |
| Achromatopsia (no color) | #929292 | 0.106 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #1FA0B0
#1FA0B0
oklch(64.8% 0.105 208)
- #C7756A
#C7756A
oklch(64.9% 0.105 28.4)
Analogous
Neighbouring hues, 30° either side.
Split complementary
The two hues beside the complement (150° and 210°).
Triadic
Three hues spaced 120° apart.
Palettes with this color
Curated palettes that contain a color within ΔE 0.04 (OKLab) of #1FA0B0, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Sea #3C9992 ΔE 0.043
- Cadet Blue #5F9EA0 ΔE 0.044
- Persian Green #2A9D8F ΔE 0.048
- Teal Green #0A9396 ΔE 0.050
- Turquoise Blue #06B1C4 ΔE 0.050
- Blue Green #0F9B8E ΔE 0.052
- Light Sea Green #20B2AA ΔE 0.057
- Dull Teal #5F9E8F ΔE 0.058
Use #1FA0B0 in your product
Turn it into light and dark UI roles checked for contrast, then export to Tailwind v4, shadcn/ui, CSS or design tokens.