#43AFCC
Closest named color: Turquoise Blue (#06B1C4). oklch(70.4% 0.105 219), rgb(67, 175, 204).
Aa
Black text reads best on this color (8.24:1).
About this color
#43AFCC is a medium-light, moderately saturated teal or cyan. In OKLCH its lightness is 70%, its chroma 0.105 and its hue 219°. Its hue sits on the cool side of the wheel. The nearest named color is Turquoise Blue (#06B1C4), ΔE 0.026 away. Black text reads best on it, at 8.24:1.
| Hue family | Teals and cyans |
| Lightness | medium-light (70%) |
| Chroma | moderately saturated (0.105) |
| Temperature | cool |
| Nearest name | Turquoise Blue (#06B1C4) |
| Black text | 8.24:1 |
| White text | 2.54:1 |
Values
| HEX | #43AFCC |
| RGB | rgb(67, 175, 204) |
| HSL | hsl(193, 57%, 53%) |
| OKLCH | oklch(70.4% 0.105 219) |
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 #43AFCC | 2.54:1 | Fails | Lc -54.7 | Large or bold text, headings |
| Black text on #43AFCC | 8.24:1 | AAA | Lc 54.4 | Large or bold text, headings |
| #43AFCC text on white | 2.54:1 | Fails | Lc 49.6 | Large or bold text, headings |
| #43AFCC text on black | 8.24:1 | AAA | Lc -52.3 | 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 400.
-
Step 50
50
#EFF7F9
oklch(97.1% 0.009 214.3)
-
Step 100
100
#DDEDF3
oklch(93.6% 0.019 222.2)
-
Step 200
200
#BFDFEA
oklch(88.4% 0.037 220.6)
-
Step 300
300
#90CBDE
oklch(80.8% 0.066 219.9)
-
Step 400
400 (this color)
#43AFCC
oklch(70.4% 0.105 219)
-
Step 500
500
#0099B8
oklch(63.1% 0.114 219)
-
Step 600
600
#00819B
oklch(55.7% 0.1 218.5)
-
Step 700
700
#006C83
oklch(49.1% 0.089 219.3)
-
Step 800
800
#00586C
oklch(42.6% 0.078 220.2)
-
Step 900
900
#004A5A
oklch(37.8% 0.068 218.5)
-
Step 950
950
#002C37
oklch(27.1% 0.049 219.4)
#43AFCC 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) | #9DAACE | 0.090 |
| Deuteranopia (no green cones) | #899CCC | 0.080 |
| Tritanopia (no blue cones) | #00B9B8 | 0.052 |
| Achromatopsia (no color) | #A2A2A2 | 0.106 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #43AFCC
#43AFCC
oklch(70.4% 0.105 219)
- #D8886E
#D8886E
oklch(70.4% 0.106 38.8)
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 #43AFCC, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Turquoise Blue #06B1C4 ΔE 0.026
- Greyblue #77A1B5 ΔE 0.056
- Light Sea Green #20B2AA ΔE 0.059
- Topaz #13BBAF ΔE 0.066
- Bluegrey #85A3B2 ΔE 0.067
- Cadet Blue #5F9EA0 ΔE 0.068
- Bluey Grey #89A0B0 ΔE 0.074
- Deep Sky Blue #00BFFF ΔE 0.076
Use #43AFCC 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.