#878591
Closest named color: Light Slate Gray (#778899). oklch(62.2% 0.018 293.5), rgb(135, 133, 145).
Aa
Black text reads best on this color (5.79:1).
About this color
#878591 is a medium-light close to neutral grey. In OKLCH its lightness is 62%, its chroma 0.018. It has too little chroma to lean warm or cool. The nearest named color is Light Slate Gray (#778899), ΔE 0.024 away. Black text reads best on it, at 5.79:1.
| Hue family | Neutrals |
| Lightness | medium-light (62%) |
| Chroma | close to neutral grey (0.018) |
| Temperature | neutral |
| Nearest name | Light Slate Gray (#778899) |
| Black text | 5.79:1 |
| White text | 3.62:1 |
Values
| HEX | #878591 |
| RGB | rgb(135, 133, 145) |
| HSL | hsl(250, 5%, 55%) |
| OKLCH | oklch(62.2% 0.018 293.5) |
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 #878591 | 3.62:1 | AA large text | Lc -69.4 | Content text, not long reading |
| Black text on #878591 | 5.79:1 | AA | Lc 40.2 | Non-text elements, placeholder text |
| #878591 text on white | 3.62:1 | AA large text | Lc 63.9 | Content text, not long reading |
| #878591 text on black | 5.79:1 | AA | Lc -37.8 | 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
#F5F5F6
oklch(97% 0.001 286.4)
-
Step 100
100
#EAE9EB
oklch(93.5% 0.003 308.4)
-
Step 200
200
#D9D8DC
oklch(88.4% 0.006 297.7)
-
Step 300
300
#C1C0C6
oklch(81% 0.008 293.9)
-
Step 400
400
#A19FA9
oklch(70.7% 0.015 295.2)
-
Step 500
500 (this color)
#878591
oklch(62.2% 0.018 293.5)
-
Step 600
600
#73717E
oklch(55.5% 0.02 292.8)
-
Step 700
700
#615F6A
oklch(49.1% 0.018 294.1)
-
Step 800
800
#4F4E57
oklch(42.8% 0.015 290.9)
-
Step 900
900
#424047
oklch(37.6% 0.012 298.9)
-
Step 950
950
#26262A
oklch(27% 0.007 285.9)
#878591 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) | #838692 | 0.006 |
| Deuteranopia (no green cones) | #838691 | 0.006 |
| Tritanopia (no blue cones) | #858789 | 0.016 |
| Achromatopsia (no color) | #868686 | 0.018 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #878591
#878591
oklch(62.2% 0.018 293.5)
- #86887C
#86887C
oklch(62.1% 0.018 114.6)
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 #878591, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Light Slate Gray #778899 ΔE 0.024
- Purpley Grey #947E94 ΔE 0.028
- Steel #738595 ΔE 0.028
- Gray #808080 ΔE 0.029
- Lavender Gray #7E7F9A ΔE 0.029
- English Lavender #9D8189 ΔE 0.034
- Blue Grey #758DA3 ΔE 0.035
- Medium Grey #7D7F7C ΔE 0.036
Use #878591 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.