#43BAE3
Closest named color: Deep Sky Blue (#00BFFF). oklch(74% 0.119 225), rgb(67, 186, 227).
Aa
Black text reads best on this color (9.37:1).
About this color
#43BAE3 is a medium-light, moderately saturated teal or cyan. In OKLCH its lightness is 74%, its chroma 0.119 and its hue 225°. Its hue sits on the cool side of the wheel. The nearest named color is Deep Sky Blue (#00BFFF), ΔE 0.041 away. Black text reads best on it, at 9.37:1.
| Hue family | Teals and cyans |
| Lightness | medium-light (74%) |
| Chroma | moderately saturated (0.119) |
| Temperature | cool |
| Nearest name | Deep Sky Blue (#00BFFF) |
| Black text | 9.37:1 |
| White text | 2.24:1 |
Values
| HEX | #43BAE3 |
| RGB | rgb(67, 186, 227) |
| HSL | hsl(195, 74%, 58%) |
| OKLCH | oklch(74% 0.119 225) |
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 #43BAE3 | 2.24:1 | Fails | Lc -48.6 | Large or bold text, headings |
| Black text on #43BAE3 | 9.37:1 | AAA | Lc 60.1 | Content text, not long reading |
| #43BAE3 text on white | 2.24:1 | Fails | Lc 43.8 | Non-text elements, placeholder text |
| #43BAE3 text on black | 9.37:1 | AAA | Lc -58.3 | 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
#EFF7FB
oklch(97.1% 0.01 228.9)
-
Step 100
100
#DBEDF5
oklch(93.5% 0.022 226.1)
-
Step 200
200
#BDE0EE
oklch(88.6% 0.042 224)
-
Step 300
300
#8BCBE5
oklch(80.8% 0.075 225.4)
-
Step 400
400 (this color)
#43BAE3
oklch(74% 0.119 225)
-
Step 500
500
#0098C0
oklch(63.2% 0.12 225)
-
Step 600
600
#007FA1
oklch(55.5% 0.105 225)
-
Step 700
700
#006B88
oklch(49.1% 0.093 224.9)
-
Step 800
800
#005870
oklch(42.8% 0.081 224.4)
-
Step 900
900
#00495E
oklch(37.7% 0.071 225)
-
Step 950
950
#002B39
oklch(26.9% 0.051 225.5)
#43BAE3 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) | #A3B6E5 | 0.091 |
| Deuteranopia (no green cones) | #8DA6E3 | 0.080 |
| Tritanopia (no blue cones) | #00C6C7 | 0.064 |
| Achromatopsia (no color) | #ADADAD | 0.119 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #43BAE3
#43BAE3
oklch(74% 0.119 225)
- #E9926A
#E9926A
oklch(74.1% 0.119 45.1)
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 #43BAE3, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Deep Sky Blue #00BFFF ΔE 0.041
- Vivid Sky Blue #4CC9F0 ΔE 0.043
- Bright Sky Blue #02CCFE ΔE 0.054
- Turquoise Blue #06B1C4 ΔE 0.056
- Lightblue #7BC8F6 ΔE 0.067
- Dark Turquoise #00CED1 ΔE 0.070
- Carolina Blue #8AB8FE ΔE 0.077
- Sky #82CAFC ΔE 0.078
Use #43BAE3 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.