#8CA3A4
Closest named color: Cool Grey (#95A3A6). oklch(69.8% 0.026 199.8), rgb(140, 163, 164).
Aa
Black text reads best on this color (7.89:1).
About this color
#8CA3A4 is a medium-light close to neutral grey. In OKLCH its lightness is 70%, its chroma 0.026. It has too little chroma to lean warm or cool. The nearest named color is Cool Grey (#95A3A6), ΔE 0.013 away. Black text reads best on it, at 7.89:1.
| Hue family | Neutrals |
| Lightness | medium-light (70%) |
| Chroma | close to neutral grey (0.026) |
| Temperature | neutral |
| Nearest name | Cool Grey (#95A3A6) |
| Black text | 7.89:1 |
| White text | 2.66:1 |
Values
| HEX | #8CA3A4 |
| RGB | rgb(140, 163, 164) |
| HSL | hsl(183, 12%, 60%) |
| OKLCH | oklch(69.8% 0.026 199.8) |
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 #8CA3A4 | 2.66:1 | Fails | Lc -57.0 | Large or bold text, headings |
| Black text on #8CA3A4 | 7.89:1 | AAA | Lc 52.2 | Large or bold text, headings |
| #8CA3A4 text on white | 2.66:1 | Fails | Lc 51.8 | Large or bold text, headings |
| #8CA3A4 text on black | 7.89:1 | AAA | Lc -50.1 | Large or bold text, headings |
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 400.
-
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
#B5C4C5
oklch(80.9% 0.017 201.7)
-
Step 400
400 (this color)
#8CA3A4
oklch(69.8% 0.026 199.8)
-
Step 500
500
#739091
oklch(63.1% 0.033 199)
-
Step 600
600
#5B7A7B
oklch(55.6% 0.035 198.7)
-
Step 700
700
#4A6768
oklch(49.1% 0.034 198.8)
-
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)
#8CA3A4 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) | #A0A1A4 | 0.027 |
| Deuteranopia (no green cones) | #9B9DA4 | 0.025 |
| Tritanopia (no blue cones) | #85A5A3 | 0.011 |
| Achromatopsia (no color) | #9F9F9F | 0.026 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #8CA3A4
#8CA3A4
oklch(69.8% 0.026 199.8)
- #AD9897
#AD9897
oklch(69.8% 0.025 21)
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 #8CA3A4, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Cool Grey #95A3A6 ΔE 0.013
- Pewter #96A8A1 ΔE 0.022
- Bluegrey #85A3B2 ΔE 0.022
- Bluey Grey #89A0B0 ΔE 0.022
- Cool Steel #97A7B3 ΔE 0.028
- Cool Gray #8D99AE ΔE 0.036
- Greyblue #77A1B5 ΔE 0.036
- Cement #A5A391 ΔE 0.041
Use #8CA3A4 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.