#648B83
Closest named color: Dusty Teal (#4C9085). oklch(60.5% 0.045 180.6), rgb(100, 139, 131).
Aa
Black text reads best on this color (5.56:1).
About this color
#648B83 is a medium-dark, muted teal or cyan. In OKLCH its lightness is 61%, its chroma 0.045 and its hue 181°. Its hue sits on the cool side of the wheel. The nearest named color is Dusty Teal (#4C9085), ΔE 0.027 away. Black text reads best on it, at 5.56:1.
| Hue family | Teals and cyans |
| Lightness | medium-dark (61%) |
| Chroma | muted (0.045) |
| Temperature | cool |
| Nearest name | Dusty Teal (#4C9085) |
| Black text | 5.56:1 |
| White text | 3.77:1 |
Values
| HEX | #648B83 |
| RGB | rgb(100, 139, 131) |
| HSL | hsl(168, 16%, 47%) |
| OKLCH | oklch(60.5% 0.045 180.6) |
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 #648B83 | 3.77:1 | AA large text | Lc -70.8 | Content text, not long reading |
| Black text on #648B83 | 5.56:1 | AA | Lc 38.8 | Non-text elements, placeholder text |
| #648B83 text on white | 3.77:1 | AA large text | Lc 65.3 | Content text, not long reading |
| #648B83 text on black | 5.56:1 | AA | Lc -36.4 | 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
#E6EBEA
oklch(93.6% 0.006 183)
-
Step 200
200
#D1DCD9
oklch(88.5% 0.013 178)
-
Step 300
300
#B2C6C1
oklch(81% 0.023 179)
-
Step 400
400
#89A8A2
oklch(70.6% 0.035 182.2)
-
Step 500
500 (this color)
#648B83
oklch(60.5% 0.045 180.6)
-
Step 600
600
#537D75
oklch(55.6% 0.048 181.2)
-
Step 700
700
#436962
oklch(49% 0.045 181.5)
-
Step 800
800
#375650
oklch(42.7% 0.038 180.9)
-
Step 900
900
#304742
oklch(37.7% 0.03 179.6)
-
Step 950
950
#1C2A27
oklch(27.1% 0.02 180)
#648B83 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) | #888683 | 0.049 |
| Deuteranopia (no green cones) | #808184 | 0.045 |
| Tritanopia (no blue cones) | #598C88 | 0.013 |
| Achromatopsia (no color) | #838383 | 0.045 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #648B83
#648B83
oklch(60.5% 0.045 180.6)
- #997780
#997780
oklch(60.5% 0.044 0.9)
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 #648B83, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dusty Teal #4C9085 ΔE 0.027
- Steel Grey #6F828A ΔE 0.034
- Slate Green #658D6D ΔE 0.035
- Steel #738595 ΔE 0.043
- Medium Grey #7D7F7C ΔE 0.043
- Grey Teal #5E9B8A ΔE 0.045
- Gray #808080 ΔE 0.045
- Slate Gray #708090 ΔE 0.046
Use #648B83 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.