#64A89B
Closest named color: Dull Teal (#5F9E8F). oklch(68.3% 0.072 180.4), rgb(100, 168, 155).
Aa
Black text reads best on this color (7.61:1).
About this color
#64A89B is a medium-light, moderately saturated teal or cyan. In OKLCH its lightness is 68%, its chroma 0.072 and its hue 180°. Its hue sits on the cool side of the wheel. The nearest named color is Dull Teal (#5F9E8F), ΔE 0.031 away. Black text reads best on it, at 7.61:1.
| Hue family | Teals and cyans |
| Lightness | medium-light (68%) |
| Chroma | moderately saturated (0.072) |
| Temperature | cool |
| Nearest name | Dull Teal (#5F9E8F) |
| Black text | 7.61:1 |
| White text | 2.75:1 |
Values
| HEX | #64A89B |
| RGB | rgb(100, 168, 155) |
| HSL | hsl(169, 28%, 53%) |
| OKLCH | oklch(68.3% 0.072 180.4) |
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 #64A89B | 2.75:1 | Fails | Lc -58.4 | Large or bold text, headings |
| Black text on #64A89B | 7.61:1 | AAA | Lc 50.9 | Large or bold text, headings |
| #64A89B text on white | 2.75:1 | Fails | Lc 53.1 | Large or bold text, headings |
| #64A89B text on black | 7.61:1 | AAA | Lc -48.7 | 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
#F1F7F5
oklch(97.1% 0.007 174.4)
-
Step 100
100
#E1EDEA
oklch(93.6% 0.013 179.5)
-
Step 200
200
#C8DFDA
oklch(88.5% 0.025 181.2)
-
Step 300
300
#A2CBC2
oklch(81% 0.045 180.2)
-
Step 400
400 (this color)
#64A89B
oklch(68.3% 0.072 180.4)
-
Step 500
500
#3C9C8C
oklch(63.2% 0.093 180.3)
-
Step 600
600
#018676
oklch(55.6% 0.1 180.5)
-
Step 700
700
#007163
oklch(49.2% 0.089 180.3)
-
Step 800
800
#005C51
oklch(42.6% 0.077 181.1)
-
Step 900
900
#124C43
oklch(37.7% 0.06 180.3)
-
Step 950
950
#0D2D27
oklch(27.1% 0.039 178.8)
#64A89B 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) | #A3A19B | 0.077 |
| Deuteranopia (no green cones) | #97989C | 0.073 |
| Tritanopia (no blue cones) | #4CAAA4 | 0.021 |
| Achromatopsia (no color) | #9C9C9C | 0.073 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #64A89B
#64A89B
oklch(68.3% 0.072 180.4)
- #BF8797
#BF8797
oklch(68.3% 0.072 0.4)
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 #64A89B, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dull Teal #5F9E8F ΔE 0.031
- Cadet Blue #5F9EA0 ΔE 0.033
- Grey Teal #5E9B8A ΔE 0.041
- Greeny Blue #42B395 ΔE 0.043
- Light Sea Green #20B2AA ΔE 0.045
- Greeny Grey #7EA07A ΔE 0.048
- Tea #65AB7C ΔE 0.048
- Grey Green #86A17D ΔE 0.049
Use #64A89B 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.