#23BBDF
Closest named color: Turquoise Blue (#06B1C4). oklch(73.4% 0.127 219.2), rgb(35, 187, 223).
Aa
Black text reads best on this color (9.24:1).
About this color
#23BBDF is a medium-light, moderately saturated teal or cyan. In OKLCH its lightness is 73%, its chroma 0.127 and its hue 219°. Its hue sits on the cool side of the wheel. The nearest named color is Turquoise Blue (#06B1C4), ΔE 0.045 away. Black text reads best on it, at 9.24:1.
| Hue family | Teals and cyans |
| Lightness | medium-light (73%) |
| Chroma | moderately saturated (0.127) |
| Temperature | cool |
| Nearest name | Turquoise Blue (#06B1C4) |
| Black text | 9.24:1 |
| White text | 2.27:1 |
Values
| HEX | #23BBDF |
| RGB | rgb(35, 187, 223) |
| HSL | hsl(191, 75%, 51%) |
| OKLCH | oklch(73.4% 0.127 219.2) |
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 #23BBDF | 2.27:1 | Fails | Lc -49.1 | Large or bold text, headings |
| Black text on #23BBDF | 9.24:1 | AAA | Lc 59.7 | Large or bold text, headings |
| #23BBDF text on white | 2.27:1 | Fails | Lc 44.3 | Non-text elements, placeholder text |
| #23BBDF text on black | 9.24:1 | AAA | Lc -57.9 | 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
#EEF7FA
oklch(97% 0.01 219.6)
-
Step 100
100
#DAEEF4
oklch(93.6% 0.023 217.6)
-
Step 200
200
#BAE1ED
oklch(88.6% 0.044 218.4)
-
Step 300
300
#84CDE4
oklch(80.9% 0.08 219.9)
-
Step 400
400 (this color)
#23BBDF
oklch(73.4% 0.127 219.2)
-
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)
#23BBDF 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) | #A5B6E1 | 0.107 |
| Deuteranopia (no green cones) | #8DA5DF | 0.094 |
| Tritanopia (no blue cones) | #00C7C6 | 0.058 |
| Achromatopsia (no color) | #ACACAC | 0.127 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #23BBDF
#23BBDF
oklch(73.4% 0.127 219.2)
- #EC8B6B
#EC8B6B
oklch(73.3% 0.127 39)
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 #23BBDF, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Turquoise Blue #06B1C4 ΔE 0.045
- Deep Sky Blue #00BFFF ΔE 0.046
- Vivid Sky Blue #4CC9F0 ΔE 0.049
- Bright Sky Blue #02CCFE ΔE 0.056
- Dark Turquoise #00CED1 ΔE 0.063
- Topaz #13BBAF ΔE 0.073
- Light Sea Green #20B2AA ΔE 0.077
- Lightblue #7BC8F6 ΔE 0.078
Use #23BBDF 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.