#1BC8DF
Closest named color: Dark Turquoise (#00CED1). oklch(76.4% 0.129 209.7), rgb(27, 200, 223).
Aa
Black text reads best on this color (10.37:1).
About this color
#1BC8DF is a medium-light, moderately saturated teal or cyan. In OKLCH its lightness is 76%, its chroma 0.129 and its hue 210°. Its hue sits on the cool side of the wheel. The nearest named color is Dark Turquoise (#00CED1), ΔE 0.031 away. Black text reads best on it, at 10.37:1.
| Hue family | Teals and cyans |
| Lightness | medium-light (76%) |
| Chroma | moderately saturated (0.129) |
| Temperature | cool |
| Nearest name | Dark Turquoise (#00CED1) |
| Black text | 10.37:1 |
| White text | 2.02:1 |
Values
| HEX | #1BC8DF |
| RGB | rgb(27, 200, 223) |
| HSL | hsl(187, 78%, 49%) |
| OKLCH | oklch(76.4% 0.129 209.7) |
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 #1BC8DF | 2.02:1 | Fails | Lc -43.2 | Non-text elements, placeholder text |
| Black text on #1BC8DF | 10.37:1 | AAA | Lc 65.2 | Content text, not long reading |
| #1BC8DF text on white | 2.02:1 | Fails | Lc 38.8 | Non-text elements, placeholder text |
| #1BC8DF text on black | 10.37:1 | AAA | Lc -63.6 | Content text, not long reading |
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 300.
-
Step 50
50
#E9F9FC
oklch(97.1% 0.017 210.2)
-
Step 100
100
#CEF1F8
oklch(93.5% 0.038 211.1)
-
Step 200
200
#A1E7F3
oklch(88.6% 0.071 209.3)
-
Step 300
300 (this color)
#1BC8DF
oklch(76.4% 0.129 209.7)
-
Step 400
400
#00B5CA
oklch(70.8% 0.122 209.4)
-
Step 500
500
#009BAD
oklch(63.1% 0.109 209.2)
-
Step 600
600
#008292
oklch(55.6% 0.096 209.8)
-
Step 700
700
#006D7B
oklch(49% 0.085 210.2)
-
Step 800
800
#005A65
oklch(42.8% 0.074 209.1)
-
Step 900
900
#004B54
oklch(37.8% 0.065 208.5)
-
Step 950
950
#002C33
oklch(26.9% 0.047 211.1)
#1BC8DF 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) | #B4C0E0 | 0.121 |
| Deuteranopia (no green cones) | #9CAFDF | 0.110 |
| Tritanopia (no blue cones) | #00D2CF | 0.042 |
| Achromatopsia (no color) | #B6B6B6 | 0.129 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #1BC8DF
#1BC8DF
oklch(76.4% 0.129 209.7)
- #F99181
#F99181
oklch(76.3% 0.129 29.7)
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 #1BC8DF, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dark Turquoise #00CED1 ΔE 0.031
- Vivid Sky Blue #4CC9F0 ΔE 0.034
- Aqua Blue #02D8E9 ΔE 0.043
- Bright Sky Blue #02CCFE ΔE 0.044
- Medium Turquoise #48D1CC ΔE 0.046
- Deep Sky Blue #00BFFF ΔE 0.060
- Turquoise Blue #06B1C4 ΔE 0.069
- Lightblue #7BC8F6 ΔE 0.069
Use #1BC8DF 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.