#2BBBE1
Closest named color: Deep Sky Blue (#00BFFF). oklch(73.6% 0.126 220.9), rgb(43, 187, 225).
Aa
Black text reads best on this color (9.29:1).
About this color
#2BBBE1 is a medium-light, moderately saturated teal or cyan. In OKLCH its lightness is 74%, its chroma 0.126 and its hue 221°. Its hue sits on the cool side of the wheel. The nearest named color is Deep Sky Blue (#00BFFF), ΔE 0.042 away. Black text reads best on it, at 9.29:1.
| Hue family | Teals and cyans |
| Lightness | medium-light (74%) |
| Chroma | moderately saturated (0.126) |
| Temperature | cool |
| Nearest name | Deep Sky Blue (#00BFFF) |
| Black text | 9.29:1 |
| White text | 2.25:1 |
Values
| HEX | #2BBBE1 |
| RGB | rgb(43, 187, 225) |
| HSL | hsl(193, 75%, 53%) |
| OKLCH | oklch(73.6% 0.126 220.9) |
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 #2BBBE1 | 2.25:1 | Fails | Lc -48.9 | Large or bold text, headings |
| Black text on #2BBBE1 | 9.29:1 | AAA | Lc 59.9 | Large or bold text, headings |
| #2BBBE1 text on white | 2.25:1 | Fails | Lc 44.1 | Non-text elements, placeholder text |
| #2BBBE1 text on black | 9.29:1 | AAA | Lc -58.1 | 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
#DAEEF5
oklch(93.6% 0.023 220.7)
-
Step 200
200
#BAE0EE
oklch(88.4% 0.044 222.2)
-
Step 300
300
#85CDE4
oklch(80.9% 0.079 220.1)
-
Step 400
400 (this color)
#2BBBE1
oklch(73.6% 0.126 220.9)
-
Step 500
500
#0099BA
oklch(63.2% 0.115 220.3)
-
Step 600
600
#00809D
oklch(55.6% 0.102 221.1)
-
Step 700
700
#006C84
oklch(49.2% 0.09 220.2)
-
Step 800
800
#00586D
oklch(42.6% 0.078 221.3)
-
Step 900
900
#00495B
oklch(37.6% 0.069 221.4)
-
Step 950
950
#002C37
oklch(27.1% 0.049 219.4)
#2BBBE1 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) | #A4B6E3 | 0.103 |
| Deuteranopia (no green cones) | #8DA5E1 | 0.092 |
| Tritanopia (no blue cones) | #00C7C7 | 0.059 |
| Achromatopsia (no color) | #ACACAC | 0.126 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #2BBBE1
#2BBBE1
oklch(73.6% 0.126 220.9)
- #EC8D6A
#EC8D6A
oklch(73.6% 0.126 40.8)
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 #2BBBE1, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Deep Sky Blue #00BFFF ΔE 0.042
- Vivid Sky Blue #4CC9F0 ΔE 0.047
- Turquoise Blue #06B1C4 ΔE 0.049
- Bright Sky Blue #02CCFE ΔE 0.054
- Dark Turquoise #00CED1 ΔE 0.065
- Lightblue #7BC8F6 ΔE 0.075
- Topaz #13BBAF ΔE 0.077
- Aqua Blue #02D8E9 ΔE 0.079
Use #2BBBE1 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.