#73818B
Closest named color: Steel Grey (#6F828A). oklch(59.5% 0.022 238.9), rgb(115, 129, 139).
Aa
Black text reads best on this color (5.24:1).
About this color
#73818B is a medium-dark close to neutral grey. In OKLCH its lightness is 60%, its chroma 0.022. It has too little chroma to lean warm or cool. The nearest named color is Steel Grey (#6F828A), ΔE 0.006 away. Black text reads best on it, at 5.24:1.
| Hue family | Neutrals |
| Lightness | medium-dark (60%) |
| Chroma | close to neutral grey (0.022) |
| Temperature | neutral |
| Nearest name | Steel Grey (#6F828A) |
| Black text | 5.24:1 |
| White text | 4.00:1 |
Values
| HEX | #73818B |
| RGB | rgb(115, 129, 139) |
| HSL | hsl(205, 9%, 50%) |
| OKLCH | oklch(59.5% 0.022 238.9) |
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 #73818B | 4.00:1 | AA large text | Lc -72.9 | Content text, not long reading |
| Black text on #73818B | 5.24:1 | AA | Lc 36.7 | Non-text elements, placeholder text |
| #73818B text on white | 4.00:1 | AA large text | Lc 67.4 | Content text, not long reading |
| #73818B text on black | 5.24:1 | AA | Lc -34.3 | 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
#F4F5F6
oklch(97% 0.002 247.8)
-
Step 100
100
#E8EAEC
oklch(93.6% 0.003 247.9)
-
Step 200
200
#D6DADD
oklch(88.6% 0.006 239.8)
-
Step 300
300
#BAC2C7
oklch(80.9% 0.011 234.9)
-
Step 400
400
#97A2AB
oklch(70.6% 0.018 242.5)
-
Step 500
500 (this color)
#73818B
oklch(59.5% 0.022 238.9)
-
Step 600
600
#677680
oklch(55.7% 0.024 237.1)
-
Step 700
700
#55636C
oklch(49.1% 0.022 236.1)
-
Step 800
800
#465158
oklch(42.8% 0.018 235.8)
-
Step 900
900
#3B4349
oklch(37.8% 0.015 240.3)
-
Step 950
950
#22272B
oklch(26.9% 0.01 242.1)
#73818B 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) | #7D818C | 0.014 |
| Deuteranopia (no green cones) | #7A7E8B | 0.012 |
| Tritanopia (no blue cones) | #6D8484 | 0.018 |
| Achromatopsia (no color) | #7F7F7F | 0.023 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #73818B
#73818B
oklch(59.5% 0.022 238.9)
- #897C72
#897C72
oklch(59.5% 0.022 59.9)
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 #73818B, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Steel Grey #6F828A ΔE 0.006
- Slate Gray #708090 ΔE 0.010
- Steel #738595 ΔE 0.016
- Battleship Grey #6B7C85 ΔE 0.020
- Gray #808080 ΔE 0.023
- Medium Grey #7D7F7C ΔE 0.024
- Grey Blue #647D8E ΔE 0.025
- Light Slate Gray #778899 ΔE 0.026
Use #73818B 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.