#0BA1BB
Closest named color: Turquoise Blue (#06B1C4). oklch(65.3% 0.114 214.8), rgb(11, 161, 187).
Aa
Black text reads best on this color (6.82:1).
About this color
#0BA1BB is a medium-light, moderately saturated teal or cyan. In OKLCH its lightness is 65%, its chroma 0.114 and its hue 215°. Its hue sits on the cool side of the wheel. The nearest named color is Turquoise Blue (#06B1C4), ΔE 0.045 away. Black text reads best on it, at 6.82:1.
| Hue family | Teals and cyans |
| Lightness | medium-light (65%) |
| Chroma | moderately saturated (0.114) |
| Temperature | cool |
| Nearest name | Turquoise Blue (#06B1C4) |
| Black text | 6.82:1 |
| White text | 3.07:1 |
Values
| HEX | #0BA1BB |
| RGB | rgb(11, 161, 187) |
| HSL | hsl(189, 89%, 39%) |
| OKLCH | oklch(65.3% 0.114 214.8) |
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 #0BA1BB | 3.07:1 | AA large text | Lc -62.4 | Content text, not long reading |
| Black text on #0BA1BB | 6.82:1 | AA | Lc 47.0 | Large or bold text, headings |
| #0BA1BB text on white | 3.07:1 | AA large text | Lc 57.1 | Large or bold text, headings |
| #0BA1BB text on black | 6.82:1 | AA | Lc -44.7 | Non-text elements, placeholder text |
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 500.
-
Step 50
50
#F0F7F8
oklch(97.1% 0.008 207.1)
-
Step 100
100
#DEEDF1
oklch(93.6% 0.017 215.5)
-
Step 200
200
#C3DFE6
oklch(88.5% 0.031 214.5)
-
Step 300
300
#98CAD7
oklch(80.8% 0.055 215.5)
-
Step 400
400
#57AFC3
oklch(70.7% 0.089 214.6)
-
Step 500
500 (this color)
#0BA1BB
oklch(65.3% 0.114 214.8)
-
Step 600
600
#008197
oklch(55.5% 0.098 215.2)
-
Step 700
700
#006D7F
oklch(49.2% 0.087 214.3)
-
Step 800
800
#005969
oklch(42.7% 0.076 215.4)
-
Step 900
900
#004A57
oklch(37.6% 0.066 214.5)
-
Step 950
950
#012C35
oklch(27% 0.047 215.7)
#0BA1BB 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) | #8F9BBC | 0.102 |
| Deuteranopia (no green cones) | #7A8CBB | 0.092 |
| Tritanopia (no blue cones) | #00ABA9 | 0.046 |
| Achromatopsia (no color) | #939393 | 0.114 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #0BA1BB
#0BA1BB
oklch(65.3% 0.114 214.8)
- #CB7560
#CB7560
oklch(65.2% 0.113 34.6)
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 #0BA1BB, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Turquoise Blue #06B1C4 ΔE 0.045
- Cadet Blue #5F9EA0 ΔE 0.055
- Sea #3C9992 ΔE 0.059
- Teal Green #0A9396 ΔE 0.061
- Light Sea Green #20B2AA ΔE 0.064
- Persian Green #2A9D8F ΔE 0.064
- Blue NCS #118AB2 ΔE 0.066
- Blue Green #0F9B8E ΔE 0.067
Use #0BA1BB 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.