#688E8B
Closest named color: Dusty Teal (#4C9085). oklch(61.8% 0.042 190), rgb(104, 142, 139).
Aa
Black text reads best on this color (5.83:1).
About this color
#688E8B is a medium-dark, muted teal or cyan. In OKLCH its lightness is 62%, its chroma 0.042 and its hue 190°. Its hue sits on the cool side of the wheel. The nearest named color is Dusty Teal (#4C9085), ΔE 0.033 away. Black text reads best on it, at 5.83:1.
| Hue family | Teals and cyans |
| Lightness | medium-dark (62%) |
| Chroma | muted (0.042) |
| Temperature | cool |
| Nearest name | Dusty Teal (#4C9085) |
| Black text | 5.83:1 |
| White text | 3.60:1 |
Values
| HEX | #688E8B |
| RGB | rgb(104, 142, 139) |
| HSL | hsl(175, 15%, 48%) |
| OKLCH | oklch(61.8% 0.042 190) |
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 #688E8B | 3.60:1 | AA large text | Lc -69.1 | Content text, not long reading |
| Black text on #688E8B | 5.83:1 | AA | Lc 40.5 | Non-text elements, placeholder text |
| #688E8B text on white | 3.60:1 | AA large text | Lc 63.6 | Content text, not long reading |
| #688E8B text on black | 5.83:1 | AA | Lc -38.1 | 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
#E6EBEB
oklch(93.6% 0.005 197.1)
-
Step 200
200
#D1DCDB
oklch(88.6% 0.012 190.4)
-
Step 300
300
#B2C5C3
oklch(80.8% 0.021 189.1)
-
Step 400
400
#8AA8A5
oklch(70.8% 0.033 189)
-
Step 500
500 (this color)
#688E8B
oklch(61.8% 0.042 190)
-
Step 600
600
#537C79
oklch(55.5% 0.046 190.1)
-
Step 700
700
#436966
oklch(49.1% 0.043 189.6)
-
Step 800
800
#385553
oklch(42.6% 0.035 190.5)
-
Step 900
900
#304645
oklch(37.6% 0.027 192.5)
-
Step 950
950
#1D2928
oklch(26.9% 0.017 189.9)
#688E8B 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) | #8A8A8B | 0.046 |
| Deuteranopia (no green cones) | #82858B | 0.041 |
| Tritanopia (no blue cones) | #5C908D | 0.014 |
| Achromatopsia (no color) | #878787 | 0.043 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #688E8B
#688E8B
oklch(61.8% 0.042 190)
- #9D7B7F
#9D7B7F
oklch(61.7% 0.043 10.5)
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 #688E8B, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dusty Teal #4C9085 ΔE 0.033
- Steel Grey #6F828A ΔE 0.035
- Steel #738595 ΔE 0.037
- Light Slate Gray #778899 ΔE 0.038
- Grey Teal #5E9B8A ΔE 0.039
- Blue Grey #758DA3 ΔE 0.043
- Slate Green #658D6D ΔE 0.045
- Slate Gray #708090 ΔE 0.045
Use #688E8B 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.