#1BBDE6
Closest named color: Deep Sky Blue (#00BFFF). oklch(74.1% 0.132 221.5), rgb(27, 189, 230).
Aa
Black text reads best on this color (9.46:1).
About this color
#1BBDE6 is a medium-light, moderately saturated teal or cyan. In OKLCH its lightness is 74%, its chroma 0.132 and its hue 222°. Its hue sits on the cool side of the wheel. The nearest named color is Deep Sky Blue (#00BFFF), ΔE 0.036 away. Black text reads best on it, at 9.46:1.
| Hue family | Teals and cyans |
| Lightness | medium-light (74%) |
| Chroma | moderately saturated (0.132) |
| Temperature | cool |
| Nearest name | Deep Sky Blue (#00BFFF) |
| Black text | 9.46:1 |
| White text | 2.21:1 |
Values
| HEX | #1BBDE6 |
| RGB | rgb(27, 189, 230) |
| HSL | hsl(192, 80%, 50%) |
| OKLCH | oklch(74.1% 0.132 221.5) |
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 #1BBDE6 | 2.21:1 | Fails | Lc -47.9 | Large or bold text, headings |
| Black text on #1BBDE6 | 9.46:1 | AAA | Lc 60.8 | Content text, not long reading |
| #1BBDE6 text on white | 2.21:1 | Fails | Lc 43.1 | Non-text elements, placeholder text |
| #1BBDE6 text on black | 9.46:1 | AAA | Lc -59.1 | 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
#EEF7FB
oklch(97.1% 0.011 226)
-
Step 100
100
#D9EEF5
oklch(93.6% 0.024 219.7)
-
Step 200
200
#B9E1EF
oklch(88.6% 0.046 221.1)
-
Step 300
300
#82CDE7
oklch(80.9% 0.083 222.1)
-
Step 400
400 (this color)
#1BBDE6
oklch(74.1% 0.132 221.5)
-
Step 500
500
#0098BB
oklch(63% 0.116 221.8)
-
Step 600
600
#00809E
oklch(55.6% 0.103 221.9)
-
Step 700
700
#006C85
oklch(49.2% 0.09 221.2)
-
Step 800
800
#00586D
oklch(42.6% 0.078 221.3)
-
Step 900
900
#00495C
oklch(37.6% 0.07 222.6)
-
Step 950
950
#002C38
oklch(27.2% 0.05 221.4)
#1BBDE6 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) | #A5B8E8 | 0.107 |
| Deuteranopia (no green cones) | #8CA6E6 | 0.095 |
| Tritanopia (no blue cones) | #00CACA | 0.063 |
| Achromatopsia (no color) | #AEAEAE | 0.133 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #1BBDE6
#1BBDE6
oklch(74.1% 0.132 221.5)
- #F08D67
#F08D67
oklch(74.1% 0.132 41.5)
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 #1BBDE6, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Deep Sky Blue #00BFFF ΔE 0.036
- Vivid Sky Blue #4CC9F0 ΔE 0.043
- Bright Sky Blue #02CCFE ΔE 0.047
- Turquoise Blue #06B1C4 ΔE 0.055
- Dark Turquoise #00CED1 ΔE 0.065
- Lightblue #7BC8F6 ΔE 0.073
- Aqua Blue #02D8E9 ΔE 0.075
- Medium Turquoise #48D1CC ΔE 0.080
Use #1BBDE6 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.