#02B1D1
Closest named color: Turquoise Blue (#06B1C4). oklch(70.1% 0.125 216.9), rgb(2, 177, 209).
Aa
Black text reads best on this color (8.21:1).
About this color
#02B1D1 is a medium-light, moderately saturated teal or cyan. In OKLCH its lightness is 70%, its chroma 0.125 and its hue 217°. Its hue sits on the cool side of the wheel. The nearest named color is Turquoise Blue (#06B1C4), ΔE 0.020 away. Black text reads best on it, at 8.21:1.
| Hue family | Teals and cyans |
| Lightness | medium-light (70%) |
| Chroma | moderately saturated (0.125) |
| Temperature | cool |
| Nearest name | Turquoise Blue (#06B1C4) |
| Black text | 8.21:1 |
| White text | 2.55:1 |
Values
| HEX | #02B1D1 |
| RGB | rgb(2, 177, 209) |
| HSL | hsl(189, 98%, 41%) |
| OKLCH | oklch(70.1% 0.125 216.9) |
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 #02B1D1 | 2.55:1 | Fails | Lc -54.5 | Large or bold text, headings |
| Black text on #02B1D1 | 8.21:1 | AAA | Lc 54.6 | Large or bold text, headings |
| #02B1D1 text on white | 2.55:1 | Fails | Lc 49.4 | Large or bold text, headings |
| #02B1D1 text on black | 8.21:1 | AAA | Lc -52.6 | 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
#BAE1EC
oklch(88.5% 0.043 216.7)
-
Step 300
300
#84CEE1
oklch(81% 0.078 215.8)
-
Step 400
400 (this color)
#02B1D1
oklch(70.1% 0.125 216.9)
-
Step 500
500
#0099B6
oklch(63% 0.113 217.6)
-
Step 600
600
#008199
oklch(55.6% 0.099 216.9)
-
Step 700
700
#006C81
oklch(49% 0.088 217.4)
-
Step 800
800
#00596A
oklch(42.8% 0.076 216.6)
-
Step 900
900
#004A59
oklch(37.7% 0.067 217.2)
-
Step 950
950
#002C36
oklch(27% 0.048 217.4)
#02B1D1 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) | #9CABD3 | 0.108 |
| Deuteranopia (no green cones) | #859BD1 | 0.096 |
| Tritanopia (no blue cones) | #00BCBB | 0.052 |
| Achromatopsia (no color) | #A2A2A2 | 0.125 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #02B1D1
#02B1D1
oklch(70.1% 0.125 216.9)
- #E18166
#E18166
oklch(70.2% 0.125 36.6)
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 #02B1D1, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Turquoise Blue #06B1C4 ΔE 0.020
- Light Sea Green #20B2AA ΔE 0.060
- Topaz #13BBAF ΔE 0.066
- Deep Sky Blue #00BFFF ΔE 0.071
- Greyblue #77A1B5 ΔE 0.074
- Cadet Blue #5F9EA0 ΔE 0.080
- Vivid Sky Blue #4CC9F0 ΔE 0.082
- Dark Turquoise #00CED1 ΔE 0.084
Use #02B1D1 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.