#64A6AA
Closest named color: Cadet Blue (#5F9EA0). oklch(68.3% 0.068 200.7), rgb(100, 166, 170).
Aa
Black text reads best on this color (7.57:1).
About this color
#64A6AA is a medium-light, muted teal or cyan. In OKLCH its lightness is 68%, its chroma 0.068 and its hue 201°. Its hue sits on the cool side of the wheel. The nearest named color is Cadet Blue (#5F9EA0), ΔE 0.025 away. Black text reads best on it, at 7.57:1.
| Hue family | Teals and cyans |
| Lightness | medium-light (68%) |
| Chroma | muted (0.068) |
| Temperature | cool |
| Nearest name | Cadet Blue (#5F9EA0) |
| Black text | 7.57:1 |
| White text | 2.77:1 |
Values
| HEX | #64A6AA |
| RGB | rgb(100, 166, 170) |
| HSL | hsl(183, 29%, 53%) |
| OKLCH | oklch(68.3% 0.068 200.7) |
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 #64A6AA | 2.77:1 | Fails | Lc -58.6 | Large or bold text, headings |
| Black text on #64A6AA | 7.57:1 | AAA | Lc 50.7 | Large or bold text, headings |
| #64A6AA text on white | 2.77:1 | Fails | Lc 53.4 | Large or bold text, headings |
| #64A6AA text on black | 7.57:1 | AAA | Lc -48.5 | 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
#E1ECED
oklch(93.5% 0.012 203.5)
-
Step 200
200
#C8DEDF
oklch(88.5% 0.024 200.1)
-
Step 300
300
#A2C9CC
oklch(80.9% 0.042 202.2)
-
Step 400
400 (this color)
#64A6AA
oklch(68.3% 0.068 200.7)
-
Step 500
500
#3D999F
oklch(63.1% 0.086 201.2)
-
Step 600
600
#04838A
oklch(55.5% 0.094 201.5)
-
Step 700
700
#006E74
oklch(49% 0.083 201.4)
-
Step 800
800
#015B5F
oklch(42.8% 0.073 200)
-
Step 900
900
#124A4E
oklch(37.6% 0.056 202)
-
Step 950
950
#0D2C2D
oklch(27.1% 0.036 198.2)
#64A6AA 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) | #9DA1AA | 0.068 |
| Deuteranopia (no green cones) | #9197AA | 0.064 |
| Tritanopia (no blue cones) | #45AAA7 | 0.028 |
| Achromatopsia (no color) | #9B9B9B | 0.068 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #64A6AA
#64A6AA
oklch(68.3% 0.068 200.7)
- #C08987
#C08987
oklch(68.4% 0.068 21.3)
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 #64A6AA, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Cadet Blue #5F9EA0 ΔE 0.025
- Greyblue #77A1B5 ΔE 0.033
- Bluegrey #85A3B2 ΔE 0.041
- Dull Teal #5F9E8F ΔE 0.041
- Bluey Grey #89A0B0 ΔE 0.047
- Grey Teal #5E9B8A ΔE 0.051
- Light Sea Green #20B2AA ΔE 0.051
- Turquoise Blue #06B1C4 ΔE 0.055
Use #64A6AA 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.