#64AEB8
Closest named color: Greyblue (#77A1B5). oklch(70.6% 0.075 206.8), rgb(100, 174, 184).
Aa
Black text reads best on this color (8.28:1).
About this color
#64AEB8 is a medium-light, moderately saturated teal or cyan. In OKLCH its lightness is 71%, its chroma 0.075 and its hue 207°. Its hue sits on the cool side of the wheel. The nearest named color is Greyblue (#77A1B5), ΔE 0.038 away. Black text reads best on it, at 8.28:1.
| Hue family | Teals and cyans |
| Lightness | medium-light (71%) |
| Chroma | moderately saturated (0.075) |
| Temperature | cool |
| Nearest name | Greyblue (#77A1B5) |
| Black text | 8.28:1 |
| White text | 2.53:1 |
Values
| HEX | #64AEB8 |
| RGB | rgb(100, 174, 184) |
| HSL | hsl(187, 37%, 56%) |
| OKLCH | oklch(70.6% 0.075 206.8) |
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 #64AEB8 | 2.53:1 | Fails | Lc -54.6 | Large or bold text, headings |
| Black text on #64AEB8 | 8.28:1 | AAA | Lc 54.5 | Large or bold text, headings |
| #64AEB8 text on white | 2.53:1 | Fails | Lc 49.5 | Large or bold text, headings |
| #64AEB8 text on black | 8.28:1 | AAA | Lc -52.4 | 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
#C6DEE2
oklch(88.4% 0.026 208.7)
-
Step 300
300
#9ECAD0
oklch(81% 0.047 206.6)
-
Step 400
400 (this color)
#64AEB8
oklch(70.6% 0.075 206.8)
-
Step 500
500
#2D9AA7
oklch(63.2% 0.096 206.7)
-
Step 600
600
#00838F
oklch(55.7% 0.095 206.1)
-
Step 700
700
#006E79
oklch(49.2% 0.084 206.9)
-
Step 800
800
#005A63
oklch(42.7% 0.073 206.6)
-
Step 900
900
#054B52
oklch(37.8% 0.063 205.9)
-
Step 950
950
#092C30
oklch(27.1% 0.039 206)
#64AEB8 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) | #A3A9B9 | 0.073 |
| Deuteranopia (no green cones) | #959EB8 | 0.068 |
| Tritanopia (no blue cones) | #3AB4B1 | 0.037 |
| Achromatopsia (no color) | #A3A3A3 | 0.076 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #64AEB8
#64AEB8
oklch(70.6% 0.075 206.8)
- #CB8F87
#CB8F87
oklch(70.7% 0.075 27.6)
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 #64AEB8, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Greyblue #77A1B5 ΔE 0.038
- Bluegrey #85A3B2 ΔE 0.042
- Turquoise Blue #06B1C4 ΔE 0.045
- Bluey Grey #89A0B0 ΔE 0.051
- Light Sea Green #20B2AA ΔE 0.051
- Cadet Blue #5F9EA0 ΔE 0.051
- Cool Steel #97A7B3 ΔE 0.058
- Topaz #13BBAF ΔE 0.059
Use #64AEB8 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.