#73818F
Closest named color: Slate Gray (#708090). oklch(59.7% 0.027 248.3), rgb(115, 129, 143).
Aa
Black text reads best on this color (5.26:1).
About this color
#73818F is a medium-dark close to neutral grey. In OKLCH its lightness is 60%, its chroma 0.027. It has too little chroma to lean warm or cool. The nearest named color is Slate Gray (#708090), ΔE 0.006 away. Black text reads best on it, at 5.26:1.
| Hue family | Neutrals |
| Lightness | medium-dark (60%) |
| Chroma | close to neutral grey (0.027) |
| Temperature | neutral |
| Nearest name | Slate Gray (#708090) |
| Black text | 5.26:1 |
| White text | 3.98:1 |
Values
| HEX | #73818F |
| RGB | rgb(115, 129, 143) |
| HSL | hsl(210, 11%, 51%) |
| OKLCH | oklch(59.7% 0.027 248.3) |
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 #73818F | 3.98:1 | AA large text | Lc -72.7 | Content text, not long reading |
| Black text on #73818F | 5.26:1 | AA | Lc 36.9 | Non-text elements, placeholder text |
| #73818F text on white | 3.98:1 | AA large text | Lc 67.2 | Content text, not long reading |
| #73818F text on black | 5.26:1 | AA | Lc -34.4 | 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
#D5DADE
oklch(88.6% 0.008 241.7)
-
Step 300
300
#BAC1C9
oklch(80.8% 0.014 251.6)
-
Step 400
400
#97A2AD
oklch(70.7% 0.02 248.1)
-
Step 500
500 (this color)
#73818F
oklch(59.7% 0.027 248.3)
-
Step 600
600
#667584
oklch(55.5% 0.029 248.4)
-
Step 700
700
#556270
oklch(49% 0.028 250.3)
-
Step 800
800
#45505B
oklch(42.6% 0.023 248.4)
-
Step 900
900
#3A434B
oklch(37.8% 0.018 245.1)
-
Step 950
950
#22272C
oklch(27% 0.012 248.3)
#73818F 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) | #7C8190 | 0.013 |
| Deuteranopia (no green cones) | #787E8F | 0.011 |
| Tritanopia (no blue cones) | #6C8485 | 0.023 |
| Achromatopsia (no color) | #7F7F7F | 0.027 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #73818F
#73818F
oklch(59.7% 0.027 248.3)
- #8A7D6E
#8A7D6E
oklch(59.7% 0.027 71.2)
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 #73818F, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Slate Gray #708090 ΔE 0.006
- Steel Grey #6F828A ΔE 0.011
- Steel #738595 ΔE 0.012
- Battleship Grey #6B7C85 ΔE 0.023
- Light Slate Gray #778899 ΔE 0.023
- Grey Blue #647D8E ΔE 0.024
- Lavender Gray #7E7F9A ΔE 0.026
- Gray #808080 ΔE 0.027
Use #73818F 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.