#64817F
Closest named color: Battleship Grey (#6B7C85). oklch(58% 0.033 191), rgb(100, 129, 127).
Aa
Black text reads best on this color (4.98:1).
About this color
#64817F is a medium-dark, muted teal or cyan. In OKLCH its lightness is 58%, its chroma 0.033 and its hue 191°. Its hue sits on the cool side of the wheel. The nearest named color is Battleship Grey (#6B7C85), ΔE 0.022 away. Black text reads best on it, at 4.98:1.
| Hue family | Teals and cyans |
| Lightness | medium-dark (58%) |
| Chroma | muted (0.033) |
| Temperature | cool |
| Nearest name | Battleship Grey (#6B7C85) |
| Black text | 4.98:1 |
| White text | 4.20:1 |
Values
| HEX | #64817F |
| RGB | rgb(100, 129, 127) |
| HSL | hsl(176, 13%, 45%) |
| OKLCH | oklch(58% 0.033 191) |
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 #64817F | 4.20:1 | AA large text | Lc -74.5 | Content text, not long reading |
| Black text on #64817F | 4.98:1 | AA | Lc 35.0 | Non-text elements, placeholder text |
| #64817F text on white | 4.20:1 | AA large text | Lc 69.0 | Content text, not long reading |
| #64817F text on black | 4.98:1 | AA | Lc -32.6 | 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
#F4F6F6
oklch(97.2% 0.002 197.1)
-
Step 100
100
#E7EBEA
oklch(93.7% 0.004 179.7)
-
Step 200
200
#D3DBDA
oklch(88.5% 0.009 188.1)
-
Step 300
300
#B6C4C3
oklch(80.9% 0.015 191.7)
-
Step 400
400
#90A6A4
oklch(70.8% 0.025 189.9)
-
Step 500
500
#75908E
oklch(63.2% 0.031 190.9)
-
Step 600
600 (this color)
#64817F
oklch(58% 0.033 191)
-
Step 700
700
#4D6765
oklch(49.2% 0.031 190.3)
-
Step 800
800
#3F5452
oklch(42.8% 0.026 189)
-
Step 900
900
#364544
oklch(37.7% 0.019 191.3)
-
Step 950
950
#202828
oklch(26.9% 0.011 196.5)
#64817F 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) | #7E7E7F | 0.036 |
| Deuteranopia (no green cones) | #787A7F | 0.033 |
| Tritanopia (no blue cones) | #5B8380 | 0.011 |
| Achromatopsia (no color) | #7B7B7B | 0.033 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #64817F
#64817F
oklch(58% 0.033 191)
- #8D7375
#8D7375
oklch(58.1% 0.033 12.9)
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 #64817F, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Battleship Grey #6B7C85 ΔE 0.022
- Steel Grey #6F828A ΔE 0.023
- Grey Blue #647D8E ΔE 0.030
- Slate Gray #708090 ΔE 0.033
- Medium Grey #7D7F7C ΔE 0.034
- Battleship Gray #6C757D ΔE 0.035
- Gray #808080 ΔE 0.039
- Steel #738595 ΔE 0.041
Use #64817F 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.