#64BFC5
Closest named color: Medium Turquoise (#48D1CC). oklch(75.1% 0.087 201.1), rgb(100, 191, 197).
Aa
Black text reads best on this color (9.80:1).
About this color
#64BFC5 is a medium-light, moderately saturated teal or cyan. In OKLCH its lightness is 75%, its chroma 0.087 and its hue 201°. Its hue sits on the cool side of the wheel. The nearest named color is Medium Turquoise (#48D1CC), ΔE 0.049 away. Black text reads best on it, at 9.80:1.
| Hue family | Teals and cyans |
| Lightness | medium-light (75%) |
| Chroma | moderately saturated (0.087) |
| Temperature | cool |
| Nearest name | Medium Turquoise (#48D1CC) |
| Black text | 9.80:1 |
| White text | 2.14:1 |
Values
| HEX | #64BFC5 |
| RGB | rgb(100, 191, 197) |
| HSL | hsl(184, 46%, 58%) |
| OKLCH | oklch(75.1% 0.087 201.1) |
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 #64BFC5 | 2.14:1 | Fails | Lc -46.6 | Large or bold text, headings |
| Black text on #64BFC5 | 9.80:1 | AAA | Lc 62.1 | Content text, not long reading |
| #64BFC5 text on white | 2.14:1 | Fails | Lc 41.9 | Non-text elements, placeholder text |
| #64BFC5 text on black | 9.80:1 | AAA | Lc -60.3 | 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 400.
-
Step 50
50
#F0F7F7
oklch(97.1% 0.007 197)
-
Step 100
100
#DEEDEE
oklch(93.5% 0.016 201.7)
-
Step 200
200
#C3E0E1
oklch(88.6% 0.031 199.2)
-
Step 300
300
#97CCCF
oklch(80.9% 0.055 200.5)
-
Step 400
400 (this color)
#64BFC5
oklch(75.1% 0.087 201.1)
-
Step 500
500
#009CA4
oklch(63% 0.107 201.2)
-
Step 600
600
#00838A
oklch(55.5% 0.094 201.4)
-
Step 700
700
#006E74
oklch(49% 0.083 201.4)
-
Step 800
800
#005A5F
oklch(42.5% 0.072 201.4)
-
Step 900
900
#004B50
oklch(37.6% 0.064 202.5)
-
Step 950
950
#002D30
oklch(27% 0.046 201.8)
#64BFC5 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) | #B3B8C6 | 0.088 |
| Deuteranopia (no green cones) | #A3ACC6 | 0.082 |
| Tritanopia (no blue cones) | #27C5C1 | 0.038 |
| Achromatopsia (no color) | #B1B1B1 | 0.088 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #64BFC5
#64BFC5
oklch(75.1% 0.087 201.1)
- #E09896
#E09896
oklch(75% 0.087 21.1)
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 #64BFC5, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Medium Turquoise #48D1CC ΔE 0.049
- Dark Turquoise #00CED1 ΔE 0.050
- Topaz #13BBAF ΔE 0.057
- Pale Teal #82CBB2 ΔE 0.058
- Vivid Sky Blue #4CC9F0 ΔE 0.060
- Light Cornflower Blue #98C1D9 ΔE 0.064
- Medium Aquamarine #66CDAA ΔE 0.064
- Turquoise Blue #06B1C4 ΔE 0.065
Use #64BFC5 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.