#1FA3C5
Closest named color: Turquoise Blue (#06B1C4). oklch(66.4% 0.115 220.9), rgb(31, 163, 197).
Aa
Black text reads best on this color (7.10:1).
About this color
#1FA3C5 is a medium-light, moderately saturated teal or cyan. In OKLCH its lightness is 66%, its chroma 0.115 and its hue 221°. Its hue sits on the cool side of the wheel. The nearest named color is Turquoise Blue (#06B1C4), ΔE 0.041 away. Black text reads best on it, at 7.10:1.
| Hue family | Teals and cyans |
| Lightness | medium-light (66%) |
| Chroma | moderately saturated (0.115) |
| Temperature | cool |
| Nearest name | Turquoise Blue (#06B1C4) |
| Black text | 7.10:1 |
| White text | 2.95:1 |
Values
| HEX | #1FA3C5 |
| RGB | rgb(31, 163, 197) |
| HSL | hsl(192, 73%, 45%) |
| OKLCH | oklch(66.4% 0.115 220.9) |
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 #1FA3C5 | 2.95:1 | Fails | Lc -60.9 | Content text, not long reading |
| Black text on #1FA3C5 | 7.10:1 | AAA | Lc 48.4 | Large or bold text, headings |
| #1FA3C5 text on white | 2.95:1 | Fails | Lc 55.6 | Large or bold text, headings |
| #1FA3C5 text on black | 7.10:1 | AAA | Lc -46.2 | Large or bold text, headings |
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
#F0F7F9
oklch(97.1% 0.008 216.6)
-
Step 100
100
#DFEDF2
oklch(93.7% 0.016 221.1)
-
Step 200
200
#C4DEE8
oklch(88.5% 0.031 222.9)
-
Step 300
300
#98CADA
oklch(80.9% 0.057 219.5)
-
Step 400
400
#59AEC8
oklch(70.8% 0.09 220.3)
-
Step 500
500 (this color)
#1FA3C5
oklch(66.4% 0.115 220.9)
-
Step 600
600
#00809D
oklch(55.6% 0.102 221.1)
-
Step 700
700
#006C84
oklch(49.2% 0.09 220.2)
-
Step 800
800
#00586D
oklch(42.6% 0.078 221.3)
-
Step 900
900
#00495B
oklch(37.6% 0.069 221.4)
-
Step 950
950
#022B37
oklch(26.9% 0.048 222.6)
#1FA3C5 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) | #8F9FC7 | 0.095 |
| Deuteranopia (no green cones) | #7A8FC5 | 0.085 |
| Tritanopia (no blue cones) | #00AEAE | 0.055 |
| Achromatopsia (no color) | #969696 | 0.116 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #1FA3C5
#1FA3C5
oklch(66.4% 0.115 220.9)
- #CF7A5A
#CF7A5A
oklch(66.5% 0.116 41.2)
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 #1FA3C5, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Turquoise Blue #06B1C4 ΔE 0.041
- Cadet Blue #5F9EA0 ΔE 0.061
- Greyblue #77A1B5 ΔE 0.066
- Light Sea Green #20B2AA ΔE 0.069
- Faded Blue #658CBB ΔE 0.072
- Blue NCS #118AB2 ΔE 0.073
- Sea #3C9992 ΔE 0.074
- Teal Green #0A9396 ΔE 0.077
Use #1FA3C5 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.