#718E8F
Closest named color: Light Slate Gray (#778899). oklch(62.5% 0.033 199), rgb(113, 142, 143).
Aa
Black text reads best on this color (5.96:1).
About this color
#718E8F is a medium-light, muted teal or cyan. In OKLCH its lightness is 62%, its chroma 0.033 and its hue 199°. Its hue sits on the cool side of the wheel. The nearest named color is Light Slate Gray (#778899), ΔE 0.028 away. Black text reads best on it, at 5.96:1.
| Hue family | Teals and cyans |
| Lightness | medium-light (62%) |
| Chroma | muted (0.033) |
| Temperature | cool |
| Nearest name | Light Slate Gray (#778899) |
| Black text | 5.96:1 |
| White text | 3.51:1 |
Values
| HEX | #718E8F |
| RGB | rgb(113, 142, 143) |
| HSL | hsl(182, 12%, 50%) |
| OKLCH | oklch(62.5% 0.033 199) |
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 #718E8F | 3.51:1 | AA large text | Lc -68.2 | Content text, not long reading |
| Black text on #718E8F | 5.96:1 | AA | Lc 41.3 | Non-text elements, placeholder text |
| #718E8F text on white | 3.51:1 | AA large text | Lc 62.8 | Content text, not long reading |
| #718E8F text on black | 5.96:1 | AA | Lc -38.9 | 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
#F4F6F6
oklch(97.2% 0.002 197.1)
-
Step 100
100
#E6EBEB
oklch(93.6% 0.005 197.1)
-
Step 200
200
#D3DBDB
oklch(88.5% 0.009 197)
-
Step 300
300
#B5C4C4
oklch(80.9% 0.016 196.8)
-
Step 400
400
#8FA6A7
oklch(70.8% 0.026 199.8)
-
Step 500
500 (this color)
#718E8F
oklch(62.5% 0.033 199)
-
Step 600
600
#5B7A7B
oklch(55.6% 0.035 198.7)
-
Step 700
700
#4B6768
oklch(49.2% 0.033 198.9)
-
Step 800
800
#3D5455
oklch(42.7% 0.028 199.5)
-
Step 900
900
#344546
oklch(37.6% 0.022 200.7)
-
Step 950
950
#1F2929
oklch(27.1% 0.014 196.4)
#718E8F 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) | #8A8B8F | 0.034 |
| Deuteranopia (no green cones) | #84878F | 0.031 |
| Tritanopia (no blue cones) | #68908E | 0.012 |
| Achromatopsia (no color) | #898989 | 0.033 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #718E8F
#718E8F
oklch(62.5% 0.033 199)
- #9B8080
#9B8080
oklch(62.5% 0.033 18.1)
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 #718E8F, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Light Slate Gray #778899 ΔE 0.028
- Steel #738595 ΔE 0.031
- Blue Grey #758DA3 ΔE 0.033
- Steel Grey #6F828A ΔE 0.034
- Gray #808080 ΔE 0.041
- Slate Gray #708090 ΔE 0.042
- Silver Lake Blue #778DA9 ΔE 0.043
- Medium Grey #7D7F7C ΔE 0.044
Use #718E8F 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.