#858B94
Closest named color: Light Slate Gray (#778899). oklch(63.5% 0.015 258.4), rgb(133, 139, 148).
Aa
Black text reads best on this color (6.11:1).
About this color
#858B94 is a medium-light close to neutral grey. In OKLCH its lightness is 63%, its chroma 0.015. 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 6.11:1.
| Hue family | Neutrals |
| Lightness | medium-light (63%) |
| Chroma | close to neutral grey (0.015) |
| Temperature | neutral |
| Nearest name | Light Slate Gray (#778899) |
| Black text | 6.11:1 |
| White text | 3.43:1 |
Values
| HEX | #858B94 |
| RGB | rgb(133, 139, 148) |
| HSL | hsl(216, 7%, 55%) |
| OKLCH | oklch(63.5% 0.015 258.4) |
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 #858B94 | 3.43:1 | AA large text | Lc -67.3 | Content text, not long reading |
| Black text on #858B94 | 6.11:1 | AA | Lc 42.2 | Non-text elements, placeholder text |
| #858B94 text on white | 3.43:1 | AA large text | Lc 61.9 | Content text, not long reading |
| #858B94 text on black | 6.11:1 | AA | Lc -39.8 | 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
#E9EAEB
oklch(93.7% 0.002 247.8)
-
Step 200
200
#D7D9DC
oklch(88.5% 0.005 258.3)
-
Step 300
300
#BEC1C5
oklch(81% 0.007 255.5)
-
Step 400
400
#9CA1A8
oklch(70.7% 0.012 256.7)
-
Step 500
500 (this color)
#858B94
oklch(63.5% 0.015 258.4)
-
Step 600
600
#6D747D
oklch(55.6% 0.016 254.7)
-
Step 700
700
#5B616A
oklch(49.1% 0.016 258.4)
-
Step 800
800
#4B4F56
oklch(42.7% 0.013 261.8)
-
Step 900
900
#3E4247
oklch(37.7% 0.01 254)
-
Step 950
950
#25272A
oklch(27.2% 0.006 258.4)
#858B94 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) | #888B94 | 0.004 |
| Deuteranopia (no green cones) | #878A94 | 0.004 |
| Tritanopia (no blue cones) | #828D8E | 0.013 |
| Achromatopsia (no color) | #8A8A8A | 0.015 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #858B94
#858B94
oklch(63.5% 0.015 258.4)
- #908A81
#908A81
oklch(63.6% 0.015 78.2)
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 #858B94, 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
- Blue Grey #758DA3 ΔE 0.029
- Steel #738595 ΔE 0.032
- Warm Grey #978A84 ΔE 0.033
- Silver Lake Blue #778DA9 ΔE 0.034
- Gray #808080 ΔE 0.038
- Lavender Gray #7E7F9A ΔE 0.041
- Purpley Grey #947E94 ΔE 0.041
Use #858B94 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.