#28AFD0
Closest named color: Turquoise Blue (#06B1C4). oklch(70% 0.118 219.2), rgb(40, 175, 208).
Aa
Black text reads best on this color (8.13:1).
About this color
#28AFD0 is a medium-light, moderately saturated teal or cyan. In OKLCH its lightness is 70%, its chroma 0.118 and its hue 219°. Its hue sits on the cool side of the wheel. The nearest named color is Turquoise Blue (#06B1C4), ΔE 0.023 away. Black text reads best on it, at 8.13:1.
| Hue family | Teals and cyans |
| Lightness | medium-light (70%) |
| Chroma | moderately saturated (0.118) |
| Temperature | cool |
| Nearest name | Turquoise Blue (#06B1C4) |
| Black text | 8.13:1 |
| White text | 2.58:1 |
Values
| HEX | #28AFD0 |
| RGB | rgb(40, 175, 208) |
| HSL | hsl(192, 68%, 49%) |
| OKLCH | oklch(70% 0.118 219.2) |
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 #28AFD0 | 2.58:1 | Fails | Lc -55.1 | Large or bold text, headings |
| Black text on #28AFD0 | 8.13:1 | AAA | Lc 54.0 | Large or bold text, headings |
| #28AFD0 text on white | 2.58:1 | Fails | Lc 50.0 | Large or bold text, headings |
| #28AFD0 text on black | 8.13:1 | AAA | Lc -51.9 | 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
#EFF7FA
oklch(97.1% 0.009 222.1)
-
Step 100
100
#DBEEF4
oklch(93.7% 0.022 218.6)
-
Step 200
200
#BCE0EC
oklch(88.5% 0.041 220)
-
Step 300
300
#89CCE1
oklch(80.8% 0.074 219.6)
-
Step 400
400 (this color)
#28AFD0
oklch(70% 0.118 219.2)
-
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)
#28AFD0 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) | #9AAAD2 | 0.099 |
| Deuteranopia (no green cones) | #859AD0 | 0.089 |
| Tritanopia (no blue cones) | #00BABA | 0.053 |
| Achromatopsia (no color) | #A1A1A1 | 0.118 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #28AFD0
#28AFD0
oklch(70% 0.118 219.2)
- #DC8366
#DC8366
oklch(69.9% 0.118 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 #28AFD0, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Turquoise Blue #06B1C4 ΔE 0.023
- Light Sea Green #20B2AA ΔE 0.061
- Greyblue #77A1B5 ΔE 0.067
- Topaz #13BBAF ΔE 0.069
- Deep Sky Blue #00BFFF ΔE 0.072
- Cadet Blue #5F9EA0 ΔE 0.075
- Bluegrey #85A3B2 ΔE 0.079
- Vivid Sky Blue #4CC9F0 ΔE 0.083
Use #28AFD0 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.