#64ACBA
Closest named color: Greyblue (#77A1B5). oklch(70.3% 0.075 211.5), rgb(100, 172, 186).
Aa
Black text reads best on this color (8.15:1).
About this color
#64ACBA is a medium-light, moderately saturated teal or cyan. In OKLCH its lightness is 70%, its chroma 0.075 and its hue 211°. Its hue sits on the cool side of the wheel. The nearest named color is Greyblue (#77A1B5), ΔE 0.033 away. Black text reads best on it, at 8.15:1.
| Hue family | Teals and cyans |
| Lightness | medium-light (70%) |
| Chroma | moderately saturated (0.075) |
| Temperature | cool |
| Nearest name | Greyblue (#77A1B5) |
| Black text | 8.15:1 |
| White text | 2.57:1 |
Values
| HEX | #64ACBA |
| RGB | rgb(100, 172, 186) |
| HSL | hsl(190, 38%, 56%) |
| OKLCH | oklch(70.3% 0.075 211.5) |
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 #64ACBA | 2.57:1 | Fails | Lc -55.4 | Large or bold text, headings |
| Black text on #64ACBA | 8.15:1 | AAA | Lc 53.8 | Large or bold text, headings |
| #64ACBA text on white | 2.57:1 | Fails | Lc 50.3 | Large or bold text, headings |
| #64ACBA text on black | 8.15:1 | AAA | Lc -51.7 | 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
#F1F7F8
oklch(97.2% 0.007 208.8)
-
Step 100
100
#E0ECEF
oklch(93.5% 0.013 214.4)
-
Step 200
200
#C7DEE3
oklch(88.5% 0.025 212.2)
-
Step 300
300
#9EC9D2
oklch(80.8% 0.047 211.9)
-
Step 400
400 (this color)
#64ACBA
oklch(70.3% 0.075 211.5)
-
Step 500
500
#3099AB
oklch(63.2% 0.096 211.4)
-
Step 600
600
#008294
oklch(55.7% 0.097 211.6)
-
Step 700
700
#006D7C
oklch(49% 0.085 211.2)
-
Step 800
800
#005966
oklch(42.6% 0.074 211.8)
-
Step 900
900
#084A55
oklch(37.7% 0.063 212.4)
-
Step 950
950
#0A2C31
oklch(27.1% 0.039 208.9)
#64ACBA 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) | #A0A7BB | 0.070 |
| Deuteranopia (no green cones) | #939DBA | 0.064 |
| Tritanopia (no blue cones) | #39B2B0 | 0.041 |
| Achromatopsia (no color) | #A1A1A1 | 0.075 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #64ACBA
#64ACBA
oklch(70.3% 0.075 211.5)
- #CA8E82
#CA8E82
oklch(70.3% 0.076 31.6)
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 #64ACBA, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Greyblue #77A1B5 ΔE 0.033
- Bluegrey #85A3B2 ΔE 0.039
- Turquoise Blue #06B1C4 ΔE 0.045
- Bluey Grey #89A0B0 ΔE 0.047
- Cadet Blue #5F9EA0 ΔE 0.049
- Light Sea Green #20B2AA ΔE 0.055
- Cool Steel #97A7B3 ΔE 0.057
- Cool Grey #95A3A6 ΔE 0.059
Use #64ACBA 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.