#64877B
Closest named color: Slate Green (#658D6D). oklch(59.3% 0.043 171.7), rgb(100, 135, 123).
Aa
Black text reads best on this color (5.29:1).
About this color
#64877B is a medium-dark, muted teal or cyan. In OKLCH its lightness is 59%, its chroma 0.043 and its hue 172°. Its hue sits on the cool side of the wheel. The nearest named color is Slate Green (#658D6D), ΔE 0.032 away. Black text reads best on it, at 5.29:1.
| Hue family | Teals and cyans |
| Lightness | medium-dark (59%) |
| Chroma | muted (0.043) |
| Temperature | cool |
| Nearest name | Slate Green (#658D6D) |
| Black text | 5.29:1 |
| White text | 3.96:1 |
Values
| HEX | #64877B |
| RGB | rgb(100, 135, 123) |
| HSL | hsl(159, 15%, 46%) |
| OKLCH | oklch(59.3% 0.043 171.7) |
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 #64877B | 3.96:1 | AA large text | Lc -72.5 | Content text, not long reading |
| Black text on #64877B | 5.29:1 | AA | Lc 37.1 | Non-text elements, placeholder text |
| #64877B text on white | 3.96:1 | AA large text | Lc 67.0 | Content text, not long reading |
| #64877B text on black | 5.29:1 | AA | Lc -34.7 | Non-text elements, placeholder text |
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 600.
-
Step 50
50
#F4F6F5
oklch(97.1% 0.002 165.1)
-
Step 100
100
#E6EBE9
oklch(93.6% 0.006 170.4)
-
Step 200
200
#D2DBD8
oklch(88.4% 0.011 174.2)
-
Step 300
300
#B5C5BF
oklch(80.9% 0.019 171.4)
-
Step 400
400
#8EA79E
oklch(70.7% 0.031 171.6)
-
Step 500
500
#719286
oklch(63.1% 0.041 170.7)
-
Step 600
600 (this color)
#64877B
oklch(59.3% 0.043 171.7)
-
Step 700
700
#49685E
oklch(49% 0.04 172.6)
-
Step 800
800
#3C554D
oklch(42.7% 0.033 172.9)
-
Step 900
900
#344640
oklch(37.7% 0.025 172.5)
-
Step 950
950
#1E2925
oklch(26.9% 0.017 170.8)
#64877B 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) | #85827A | 0.046 |
| Deuteranopia (no green cones) | #7E7E7C | 0.042 |
| Tritanopia (no blue cones) | #5C8883 | 0.013 |
| Achromatopsia (no color) | #808080 | 0.044 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #64877B
#64877B
oklch(59.3% 0.043 171.7)
- #937481
#937481
oklch(59.3% 0.043 351.4)
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 #64877B, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Slate Green #658D6D ΔE 0.032
- Dusty Teal #4C9085 ΔE 0.032
- Steel Grey #6F828A ΔE 0.035
- Medium Grey #7D7F7C ΔE 0.040
- Battleship Grey #6B7C85 ΔE 0.041
- Gray #808080 ΔE 0.044
- Slate Gray #708090 ΔE 0.047
- Steel #738595 ΔE 0.048
Use #64877B 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.