#688D88
Closest named color: Dusty Teal (#4C9085). oklch(61.4% 0.042 185.8), rgb(104, 141, 136).
Aa
Black text reads best on this color (5.75:1).
About this color
#688D88 is a medium-dark, muted teal or cyan. In OKLCH its lightness is 61%, its chroma 0.042 and its hue 186°. Its hue sits on the cool side of the wheel. The nearest named color is Dusty Teal (#4C9085), ΔE 0.031 away. Black text reads best on it, at 5.75:1.
| Hue family | Teals and cyans |
| Lightness | medium-dark (61%) |
| Chroma | muted (0.042) |
| Temperature | cool |
| Nearest name | Dusty Teal (#4C9085) |
| Black text | 5.75:1 |
| White text | 3.64:1 |
Values
| HEX | #688D88 |
| RGB | rgb(104, 141, 136) |
| HSL | hsl(172, 15%, 48%) |
| OKLCH | oklch(61.4% 0.042 185.8) |
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 #688D88 | 3.64:1 | AA large text | Lc -69.6 | Content text, not long reading |
| Black text on #688D88 | 5.75:1 | AA | Lc 40.0 | Non-text elements, placeholder text |
| #688D88 text on white | 3.64:1 | AA large text | Lc 64.1 | Content text, not long reading |
| #688D88 text on black | 5.75:1 | AA | Lc -37.6 | 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 500.
-
Step 50
50
#F3F6F6
oklch(97.1% 0.003 197.1)
-
Step 100
100
#E6EBEA
oklch(93.6% 0.006 183)
-
Step 200
200
#D1DCDA
oklch(88.6% 0.012 184)
-
Step 300
300
#B3C5C2
oklch(80.9% 0.02 184.8)
-
Step 400
400
#8AA8A3
oklch(70.7% 0.034 184.1)
-
Step 500
500 (this color)
#688D88
oklch(61.4% 0.042 185.8)
-
Step 600
600
#547C77
oklch(55.5% 0.045 186.2)
-
Step 700
700
#446964
oklch(49.1% 0.043 185.3)
-
Step 800
800
#395552
oklch(42.6% 0.034 187.6)
-
Step 900
900
#314644
oklch(37.6% 0.027 188.8)
-
Step 950
950
#1D2928
oklch(26.9% 0.017 189.9)
#688D88 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) | #898988 | 0.044 |
| Deuteranopia (no green cones) | #828489 | 0.042 |
| Tritanopia (no blue cones) | #5D8F8B | 0.013 |
| Achromatopsia (no color) | #868686 | 0.042 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #688D88
#688D88
oklch(61.4% 0.042 185.8)
- #9B7A81
#9B7A81
oklch(61.3% 0.042 4.2)
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 #688D88, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dusty Teal #4C9085 ΔE 0.031
- Steel Grey #6F828A ΔE 0.034
- Steel #738595 ΔE 0.038
- Light Slate Gray #778899 ΔE 0.040
- Grey Teal #5E9B8A ΔE 0.041
- Slate Green #658D6D ΔE 0.041
- Medium Grey #7D7F7C ΔE 0.044
- Gray #808080 ΔE 0.044
Use #688D88 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.