#718A8B
Closest named color: Steel Grey (#6F828A). oklch(61.4% 0.029 199.4), rgb(113, 138, 139).
Aa
Black text reads best on this color (5.71:1).
About this color
#718A8B is a medium-dark close to neutral grey. In OKLCH its lightness is 61%, its chroma 0.029. It has too little chroma to lean warm or cool. The nearest named color is Steel Grey (#6F828A), ΔE 0.024 away. Black text reads best on it, at 5.71:1.
| Hue family | Neutrals |
| Lightness | medium-dark (61%) |
| Chroma | close to neutral grey (0.029) |
| Temperature | neutral |
| Nearest name | Steel Grey (#6F828A) |
| Black text | 5.71:1 |
| White text | 3.67:1 |
Values
| HEX | #718A8B |
| RGB | rgb(113, 138, 139) |
| HSL | hsl(182, 10%, 49%) |
| OKLCH | oklch(61.4% 0.029 199.4) |
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 #718A8B | 3.67:1 | AA large text | Lc -69.9 | Content text, not long reading |
| Black text on #718A8B | 5.71:1 | AA | Lc 39.7 | Non-text elements, placeholder text |
| #718A8B text on white | 3.67:1 | AA large text | Lc 64.4 | Content text, not long reading |
| #718A8B text on black | 5.71:1 | AA | Lc -37.3 | 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
#E7EBEB
oklch(93.7% 0.004 197.1)
-
Step 200
200
#D4DBDB
oklch(88.6% 0.008 197)
-
Step 300
300
#B7C3C4
oklch(80.8% 0.013 202.9)
-
Step 400
400
#91A5A6
oklch(70.7% 0.022 200.3)
-
Step 500
500 (this color)
#718A8B
oklch(61.4% 0.029 199.4)
-
Step 600
600
#5E797A
oklch(55.5% 0.031 199.1)
-
Step 700
700
#4E6667
oklch(49.1% 0.029 199.4)
-
Step 800
800
#405354
oklch(42.7% 0.024 200.3)
-
Step 900
900
#364545
oklch(37.7% 0.019 196.4)
-
Step 950
950
#202829
oklch(27% 0.011 205.8)
#718A8B 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) | #86888B | 0.029 |
| Deuteranopia (no green cones) | #81848B | 0.027 |
| Tritanopia (no blue cones) | #698C8A | 0.012 |
| Achromatopsia (no color) | #858585 | 0.029 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #718A8B
#718A8B
oklch(61.4% 0.029 199.4)
- #957E7D
#957E7D
oklch(61.4% 0.028 20.9)
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 #718A8B, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Steel Grey #6F828A ΔE 0.024
- Steel #738595 ΔE 0.025
- Light Slate Gray #778899 ΔE 0.026
- Gray #808080 ΔE 0.032
- Slate Gray #708090 ΔE 0.033
- Medium Grey #7D7F7C ΔE 0.034
- Blue Grey #758DA3 ΔE 0.036
- Battleship Grey #6B7C85 ΔE 0.041
Use #718A8B 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.