#0CA5C6
Closest named color: Turquoise Blue (#06B1C4). oklch(66.8% 0.119 219.1), rgb(12, 165, 198).
Aa
Black text reads best on this color (7.21:1).
About this color
#0CA5C6 is a medium-light, moderately saturated teal or cyan. In OKLCH its lightness is 67%, its chroma 0.119 and its hue 219°. Its hue sits on the cool side of the wheel. The nearest named color is Turquoise Blue (#06B1C4), ΔE 0.036 away. Black text reads best on it, at 7.21:1.
| Hue family | Teals and cyans |
| Lightness | medium-light (67%) |
| Chroma | moderately saturated (0.119) |
| Temperature | cool |
| Nearest name | Turquoise Blue (#06B1C4) |
| Black text | 7.21:1 |
| White text | 2.91:1 |
Values
| HEX | #0CA5C6 |
| RGB | rgb(12, 165, 198) |
| HSL | hsl(191, 89%, 41%) |
| OKLCH | oklch(66.8% 0.119 219.1) |
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 #0CA5C6 | 2.91:1 | Fails | Lc -60.2 | Content text, not long reading |
| Black text on #0CA5C6 | 7.21:1 | AAA | Lc 49.2 | Large or bold text, headings |
| #0CA5C6 text on white | 2.91:1 | Fails | Lc 54.9 | Large or bold text, headings |
| #0CA5C6 text on black | 7.21:1 | AAA | Lc -46.9 | 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 500.
-
Step 50
50
#F0F7F9
oklch(97.1% 0.008 216.6)
-
Step 100
100
#DEEDF2
oklch(93.6% 0.017 219.7)
-
Step 200
200
#C3DFE8
oklch(88.6% 0.032 219.1)
-
Step 300
300
#96CADA
oklch(80.8% 0.058 218.8)
-
Step 400
400
#54AEC8
oklch(70.6% 0.093 219.4)
-
Step 500
500 (this color)
#0CA5C6
oklch(66.8% 0.119 219.1)
-
Step 600
600
#00819B
oklch(55.7% 0.1 218.5)
-
Step 700
700
#006C83
oklch(49.1% 0.089 219.3)
-
Step 800
800
#00586C
oklch(42.6% 0.078 220.2)
-
Step 900
900
#004A5A
oklch(37.8% 0.068 218.5)
-
Step 950
950
#002C37
oklch(27.1% 0.049 219.4)
#0CA5C6 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) | #90A0C8 | 0.099 |
| Deuteranopia (no green cones) | #7B90C6 | 0.090 |
| Tritanopia (no blue cones) | #00B0B0 | 0.053 |
| Achromatopsia (no color) | #979797 | 0.120 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #0CA5C6
#0CA5C6
oklch(66.8% 0.119 219.1)
- #D2795C
#D2795C
oklch(66.7% 0.119 38.8)
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 #0CA5C6, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Turquoise Blue #06B1C4 ΔE 0.036
- Cadet Blue #5F9EA0 ΔE 0.064
- Light Sea Green #20B2AA ΔE 0.065
- Greyblue #77A1B5 ΔE 0.069
- Sea #3C9992 ΔE 0.075
- Blue NCS #118AB2 ΔE 0.078
- Faded Blue #658CBB ΔE 0.079
- Teal Green #0A9396 ΔE 0.079
Use #0CA5C6 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.