#0BB5C8
Closest named color: Turquoise Blue (#06B1C4). oklch(70.8% 0.12 208.2), rgb(11, 181, 200).
Aa
Black text reads best on this color (8.45:1).
About this color
#0BB5C8 is a medium-light, moderately saturated teal or cyan. In OKLCH its lightness is 71%, its chroma 0.120 and its hue 208°. Its hue sits on the cool side of the wheel. The nearest named color is Turquoise Blue (#06B1C4), ΔE 0.012 away. Black text reads best on it, at 8.45:1.
| Hue family | Teals and cyans |
| Lightness | medium-light (71%) |
| Chroma | moderately saturated (0.120) |
| Temperature | cool |
| Nearest name | Turquoise Blue (#06B1C4) |
| Black text | 8.45:1 |
| White text | 2.48:1 |
Values
| HEX | #0BB5C8 |
| RGB | rgb(11, 181, 200) |
| HSL | hsl(186, 90%, 41%) |
| OKLCH | oklch(70.8% 0.12 208.2) |
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 #0BB5C8 | 2.48:1 | Fails | Lc -53.2 | Large or bold text, headings |
| Black text on #0BB5C8 | 8.45:1 | AAA | Lc 55.8 | Large or bold text, headings |
| #0BB5C8 text on white | 2.48:1 | Fails | Lc 48.2 | Large or bold text, headings |
| #0BB5C8 text on black | 8.45:1 | AAA | Lc -53.8 | 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
#EEF7F9
oklch(97% 0.01 212.5)
-
Step 100
100
#DAEEF1
oklch(93.5% 0.022 207.6)
-
Step 200
200
#BAE1E8
oklch(88.4% 0.042 209.7)
-
Step 300
300
#85CFDA
oklch(81% 0.075 207.7)
-
Step 400
400 (this color)
#0BB5C8
oklch(70.8% 0.12 208.2)
-
Step 500
500
#009BAC
oklch(63.1% 0.109 208.4)
-
Step 600
600
#008291
oklch(55.5% 0.096 208.9)
-
Step 700
700
#006E7A
oklch(49.2% 0.085 207.9)
-
Step 800
800
#005A64
oklch(42.8% 0.073 207.9)
-
Step 900
900
#004B54
oklch(37.8% 0.065 208.5)
-
Step 950
950
#002D32
oklch(27.1% 0.046 206.3)
#0BB5C8 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) | #A3AEC9 | 0.114 |
| Deuteranopia (no green cones) | #8D9DC8 | 0.106 |
| Tritanopia (no blue cones) | #00BEBB | 0.037 |
| Achromatopsia (no color) | #A4A4A4 | 0.121 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #0BB5C8
#0BB5C8
oklch(70.8% 0.12 208.2)
- #E28276
#E28276
oklch(70.8% 0.121 28)
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 #0BB5C8, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Turquoise Blue #06B1C4 ΔE 0.012
- Light Sea Green #20B2AA ΔE 0.043
- Topaz #13BBAF ΔE 0.046
- Dark Turquoise #00CED1 ΔE 0.070
- Greeny Blue #42B395 ΔE 0.073
- Greyblue #77A1B5 ΔE 0.076
- Cadet Blue #5F9EA0 ΔE 0.076
- Deep Sky Blue #00BFFF ΔE 0.080
Use #0BB5C8 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.