#6B8587
Closest named color: Steel Grey (#6F828A). oklch(59.7% 0.03 202.2), rgb(107, 133, 135).
Aa
Black text reads best on this color (5.33:1).
About this color
#6B8587 is a medium-dark close to neutral grey. In OKLCH its lightness is 60%, its chroma 0.030. It has too little chroma to lean warm or cool. The nearest named color is Steel Grey (#6F828A), ΔE 0.012 away. Black text reads best on it, at 5.33:1.
| Hue family | Neutrals |
| Lightness | medium-dark (60%) |
| Chroma | close to neutral grey (0.030) |
| Temperature | neutral |
| Nearest name | Steel Grey (#6F828A) |
| Black text | 5.33:1 |
| White text | 3.93:1 |
Values
| HEX | #6B8587 |
| RGB | rgb(107, 133, 135) |
| HSL | hsl(184, 12%, 47%) |
| OKLCH | oklch(59.7% 0.03 202.2) |
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 #6B8587 | 3.93:1 | AA large text | Lc -72.3 | Content text, not long reading |
| Black text on #6B8587 | 5.33:1 | AA | Lc 37.3 | Non-text elements, placeholder text |
| #6B8587 text on white | 3.93:1 | AA large text | Lc 66.8 | Content text, not long reading |
| #6B8587 text on black | 5.33:1 | AA | Lc -34.9 | 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
#D3DBDB
oklch(88.5% 0.009 197)
-
Step 300
300
#B6C4C5
oklch(81% 0.015 202)
-
Step 400
400
#90A5A7
oklch(70.6% 0.024 203.6)
-
Step 500
500 (this color)
#6B8587
oklch(59.7% 0.03 202.2)
-
Step 600
600
#5D797B
oklch(55.5% 0.032 201.7)
-
Step 700
700
#4D6668
oklch(49.1% 0.03 202.3)
-
Step 800
800
#3F5355
oklch(42.6% 0.025 203.9)
-
Step 900
900
#364546
oklch(37.8% 0.019 201.4)
-
Step 950
950
#202829
oklch(27% 0.011 205.8)
#6B8587 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) | #818387 | 0.030 |
| Deuteranopia (no green cones) | #7C7E87 | 0.029 |
| Tritanopia (no blue cones) | #628786 | 0.013 |
| Achromatopsia (no color) | #808080 | 0.030 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #6B8587
#6B8587
oklch(59.7% 0.03 202.2)
- #917977
#917977
oklch(59.8% 0.03 23.6)
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 #6B8587, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Steel Grey #6F828A ΔE 0.012
- Slate Gray #708090 ΔE 0.024
- Steel #738595 ΔE 0.025
- Battleship Grey #6B7C85 ΔE 0.026
- Medium Grey #7D7F7C ΔE 0.029
- Gray #808080 ΔE 0.030
- Grey Blue #647D8E ΔE 0.031
- Light Slate Gray #778899 ΔE 0.033
Use #6B8587 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.