#648E88
Closest named color: Dusty Teal (#4C9085). oklch(61.4% 0.047 185), rgb(100, 142, 136).
Aa
Black text reads best on this color (5.76:1).
About this color
#648E88 is a medium-dark, muted teal or cyan. In OKLCH its lightness is 61%, its chroma 0.047 and its hue 185°. 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 5.76:1.
| Hue family | Teals and cyans |
| Lightness | medium-dark (61%) |
| Chroma | muted (0.047) |
| Temperature | cool |
| Nearest name | Dusty Teal (#4C9085) |
| Black text | 5.76:1 |
| White text | 3.64:1 |
Values
| HEX | #648E88 |
| RGB | rgb(100, 142, 136) |
| HSL | hsl(171, 17%, 47%) |
| OKLCH | oklch(61.4% 0.047 185) |
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 #648E88 | 3.64:1 | AA large text | Lc -69.5 | Content text, not long reading |
| Black text on #648E88 | 5.76:1 | AA | Lc 40.1 | Non-text elements, placeholder text |
| #648E88 text on white | 3.64:1 | AA large text | Lc 64.0 | Content text, not long reading |
| #648E88 text on black | 5.76:1 | AA | Lc -37.7 | 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 500.
-
Step 50
50
#F3F6F6
oklch(97.1% 0.003 197.1)
-
Step 100
100
#E5EBEA
oklch(93.5% 0.007 185.3)
-
Step 200
200
#D0DCDA
oklch(88.5% 0.013 185.1)
-
Step 300
300
#B1C6C2
oklch(81% 0.024 183)
-
Step 400
400
#88A8A3
oklch(70.6% 0.036 184.8)
-
Step 500
500 (this color)
#648E88
oklch(61.4% 0.047 185)
-
Step 600
600
#507D77
oklch(55.5% 0.05 185.3)
-
Step 700
700
#406A64
oklch(49.2% 0.048 184.3)
-
Step 800
800
#355652
oklch(42.6% 0.039 186.2)
-
Step 900
900
#2F4744
oklch(37.7% 0.03 186.3)
-
Step 950
950
#1C2A28
oklch(27.2% 0.019 185.2)
#648E88 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) | #8A8988 | 0.051 |
| Deuteranopia (no green cones) | #828489 | 0.047 |
| Tritanopia (no blue cones) | #57908C | 0.014 |
| Achromatopsia (no color) | #868686 | 0.047 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #648E88
#648E88
oklch(61.4% 0.047 185)
- #9E7980
#9E7980
oklch(61.4% 0.047 5.9)
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 #648E88, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dusty Teal #4C9085 ΔE 0.026
- Grey Teal #5E9B8A ΔE 0.038
- Steel Grey #6F828A ΔE 0.038
- Slate Green #658D6D ΔE 0.039
- Steel #738595 ΔE 0.042
- Sea #3C9992 ΔE 0.042
- Light Slate Gray #778899 ΔE 0.044
- Dull Teal #5F9E8F ΔE 0.045
Use #648E88 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.