#648C83
Closest named color: Dusty Teal (#4C9085). oklch(60.8% 0.046 179.2), rgb(100, 140, 131).
Aa
Black text reads best on this color (5.62:1).
About this color
#648C83 is a medium-dark, muted teal or cyan. In OKLCH its lightness is 61%, its chroma 0.046 and its hue 179°. Its hue sits on the cool side of the wheel. The nearest named color is Dusty Teal (#4C9085), ΔE 0.026 away. Black text reads best on it, at 5.62:1.
| Hue family | Teals and cyans |
| Lightness | medium-dark (61%) |
| Chroma | muted (0.046) |
| Temperature | cool |
| Nearest name | Dusty Teal (#4C9085) |
| Black text | 5.62:1 |
| White text | 3.73:1 |
Values
| HEX | #648C83 |
| RGB | rgb(100, 140, 131) |
| HSL | hsl(166, 17%, 47%) |
| OKLCH | oklch(60.8% 0.046 179.2) |
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 #648C83 | 3.73:1 | AA large text | Lc -70.4 | Content text, not long reading |
| Black text on #648C83 | 5.62:1 | AA | Lc 39.2 | Non-text elements, placeholder text |
| #648C83 text on white | 3.73:1 | AA large text | Lc 64.9 | Content text, not long reading |
| #648C83 text on black | 5.62:1 | AA | Lc -36.8 | 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 500.
-
Step 50
50
#F3F6F5
oklch(97.1% 0.003 174.5)
-
Step 100
100
#E5EBEA
oklch(93.5% 0.007 185.3)
-
Step 200
200
#D1DCD9
oklch(88.5% 0.013 178)
-
Step 300
300
#B2C6C1
oklch(81% 0.023 179)
-
Step 400
400
#89A8A1
oklch(70.6% 0.036 180)
-
Step 500
500 (this color)
#648C83
oklch(60.8% 0.046 179.2)
-
Step 600
600
#527D74
oklch(55.5% 0.05 179.8)
-
Step 700
700
#426A61
oklch(49.2% 0.048 178.4)
-
Step 800
800
#37564F
oklch(42.7% 0.039 178.6)
-
Step 900
900
#304742
oklch(37.7% 0.03 179.6)
-
Step 950
950
#1C2A27
oklch(27.1% 0.02 180)
#648C83 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) | #898783 | 0.050 |
| Deuteranopia (no green cones) | #818284 | 0.046 |
| Tritanopia (no blue cones) | #598D89 | 0.014 |
| Achromatopsia (no color) | #848484 | 0.047 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #648C83
#648C83
oklch(60.8% 0.046 179.2)
- #9B7782
#9B7782
oklch(60.8% 0.047 358.5)
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 #648C83, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dusty Teal #4C9085 ΔE 0.026
- Slate Green #658D6D ΔE 0.034
- Steel Grey #6F828A ΔE 0.037
- Grey Teal #5E9B8A ΔE 0.042
- Green Grey #77926F ΔE 0.044
- Steel #738595 ΔE 0.044
- Medium Grey #7D7F7C ΔE 0.045
- Sea #3C9992 ΔE 0.046
Use #648C83 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.