#65B4BC
Closest named color: Turquoise Blue (#06B1C4). oklch(72.2% 0.079 204.1), rgb(101, 180, 188).
Aa
Black text reads best on this color (8.80:1).
About this color
#65B4BC is a medium-light, moderately saturated teal or cyan. In OKLCH its lightness is 72%, its chroma 0.079 and its hue 204°. Its hue sits on the cool side of the wheel. The nearest named color is Turquoise Blue (#06B1C4), ΔE 0.049 away. Black text reads best on it, at 8.80:1.
| Hue family | Teals and cyans |
| Lightness | medium-light (72%) |
| Chroma | moderately saturated (0.079) |
| Temperature | cool |
| Nearest name | Turquoise Blue (#06B1C4) |
| Black text | 8.80:1 |
| White text | 2.38:1 |
Values
| HEX | #65B4BC |
| RGB | rgb(101, 180, 188) |
| HSL | hsl(186, 39%, 57%) |
| OKLCH | oklch(72.2% 0.079 204.1) |
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 #65B4BC | 2.38:1 | Fails | Lc -51.8 | Large or bold text, headings |
| Black text on #65B4BC | 8.80:1 | AAA | Lc 57.1 | Large or bold text, headings |
| #65B4BC text on white | 2.38:1 | Fails | Lc 46.8 | Large or bold text, headings |
| #65B4BC text on black | 8.80:1 | AAA | Lc -55.2 | 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
#F1F7F7
oklch(97.2% 0.006 197.1)
-
Step 100
100
#E0EDEE
oklch(93.7% 0.014 202.5)
-
Step 200
200
#C5DFE1
oklch(88.5% 0.028 202.3)
-
Step 300
300
#9CCACF
oklch(80.8% 0.049 204.5)
-
Step 400
400 (this color)
#65B4BC
oklch(72.2% 0.079 204.1)
-
Step 500
500
#229BA5
oklch(63.2% 0.1 203.6)
-
Step 600
600
#00838D
oklch(55.6% 0.095 204.2)
-
Step 700
700
#006E76
oklch(49.1% 0.084 203.6)
-
Step 800
800
#005A61
oklch(42.6% 0.073 204)
-
Step 900
900
#004B51
oklch(37.6% 0.064 204)
-
Step 950
950
#062C30
oklch(27% 0.041 205.3)
#65B4BC 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) | #A9AEBD | 0.078 |
| Deuteranopia (no green cones) | #9BA3BC | 0.073 |
| Tritanopia (no blue cones) | #37BAB6 | 0.037 |
| Achromatopsia (no color) | #A8A8A8 | 0.079 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #65B4BC
#65B4BC
oklch(72.2% 0.079 204.1)
- #D2928D
#D2928D
oklch(72.2% 0.078 24.2)
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 #65B4BC, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Turquoise Blue #06B1C4 ΔE 0.049
- Bluegrey #85A3B2 ΔE 0.052
- Greyblue #77A1B5 ΔE 0.052
- Light Sea Green #20B2AA ΔE 0.053
- Topaz #13BBAF ΔE 0.054
- Cool Steel #97A7B3 ΔE 0.060
- Bluey Grey #89A0B0 ΔE 0.061
- Pewter #96A8A1 ΔE 0.062
Use #65B4BC 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.