#818E8A
Closest named color: Warm Grey (#978A84). oklch(63.5% 0.016 175.4), rgb(129, 142, 138).
Aa
Black text reads best on this color (6.16:1).
About this color
#818E8A is a medium-light close to neutral grey. In OKLCH its lightness is 63%, its chroma 0.016. It has too little chroma to lean warm or cool. The nearest named color is Warm Grey (#978A84), ΔE 0.032 away. Black text reads best on it, at 6.16:1.
| Hue family | Neutrals |
| Lightness | medium-light (63%) |
| Chroma | close to neutral grey (0.016) |
| Temperature | neutral |
| Nearest name | Warm Grey (#978A84) |
| Black text | 6.16:1 |
| White text | 3.40:1 |
Values
| HEX | #818E8A |
| RGB | rgb(129, 142, 138) |
| HSL | hsl(162, 5%, 53%) |
| OKLCH | oklch(63.5% 0.016 175.4) |
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 #818E8A | 3.40:1 | AA large text | Lc -67.0 | Content text, not long reading |
| Black text on #818E8A | 6.16:1 | AA | Lc 42.5 | Non-text elements, placeholder text |
| #818E8A text on white | 3.40:1 | AA large text | Lc 61.6 | Content text, not long reading |
| #818E8A text on black | 6.16:1 | AA | Lc -40.1 | 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
#F5F6F5
oklch(97.2% 0.002 145.6)
-
Step 100
100
#E8EAEA
oklch(93.6% 0.002 197.1)
-
Step 200
200
#D6DAD9
oklch(88.5% 0.005 179.7)
-
Step 300
300
#BCC2C0
oklch(80.9% 0.007 174.3)
-
Step 400
400
#99A3A0
oklch(70.7% 0.012 176.1)
-
Step 500
500 (this color)
#818E8A
oklch(63.5% 0.016 175.4)
-
Step 600
600
#697773
oklch(55.6% 0.018 176.6)
-
Step 700
700
#576460
oklch(49.1% 0.017 175.1)
-
Step 800
800
#48524E
oklch(42.8% 0.014 169.6)
-
Step 900
900
#3C4341
oklch(37.6% 0.01 176.8)
-
Step 950
950
#232826
oklch(27.1% 0.008 169.8)
#818E8A 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) | #8D8C8A | 0.017 |
| Deuteranopia (no green cones) | #8A8A8A | 0.016 |
| Tritanopia (no blue cones) | #7E8E8D | 0.006 |
| Achromatopsia (no color) | #8B8B8B | 0.016 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #818E8A
#818E8A
oklch(63.5% 0.016 175.4)
- #93878B
#93878B
oklch(63.5% 0.016 355.3)
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 #818E8A, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Warm Grey #978A84 ΔE 0.032
- Light Slate Gray #778899 ΔE 0.036
- Gray #808080 ΔE 0.039
- Blue Grey #758DA3 ΔE 0.041
- Steel #738595 ΔE 0.041
- Medium Grey #7D7F7C ΔE 0.043
- Steel Grey #6F828A ΔE 0.045
- Brown Grey #8D8468 ΔE 0.048
Use #818E8A 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.